7.6 * * * : Security Vulnerabilities

Cpe Name:cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*

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#	CVE ID	CWE ID	Vulnerability Type(s)	Publish Date	Update Date	Score	Gained Access Level	Access	Complexity	Authentication	Conf.	Integ.	Avail.
1	CVE-2021-20233	787		2021-03-03	2022-04-18	7.2	None	Local	Low	Not required	Complete	Complete	Complete
A flaw was found in grub2 in versions prior to 2.06. Setparam_prefix() in the menu rendering code performs a length calculation on the assumption that expressing a quoted single quote will require 3 characters, while it actually requires 4 characters which allows an attacker to corrupt memory by one byte for each quote in the input. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
2	CVE-2021-20225	787		2021-03-03	2022-04-18	7.2	None	Local	Low	Not required	Complete	Complete	Complete
A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
3	CVE-2020-27779			2021-03-03	2022-04-18	6.9	None	Local	Medium	Not required	Complete	Complete	Complete
A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
4	CVE-2020-27749	121	Exec Code Overflow	2021-03-03	2022-05-13	7.2	None	Local	Low	Not required	Complete	Complete	Complete
A flaw was found in grub2 in versions prior to 2.06. Variable names present are expanded in the supplied command line into their corresponding variable contents, using a 1kB stack buffer for temporary storage, without sufficient bounds checking. If the function is called with a command line that references a variable with a sufficiently large payload, it is possible to overflow the stack buffer, corrupt the stack frame and control execution which could also circumvent Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
5	CVE-2020-25647	787	Exec Code Mem. Corr. Bypass	2021-03-03	2022-05-13	7.2	None	Local	Low	Not required	Complete	Complete	Complete
A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
6	CVE-2020-25632	416	Exec Code Bypass	2021-03-03	2022-05-13	7.2	None	Local	Low	Not required	Complete	Complete	Complete
A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
7	CVE-2020-14372	184	Exec Code	2021-03-03	2021-05-01	6.2	None	Local	High	Not required	Complete	Complete	Complete
A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table (SSDT) containing code to overwrite the Linux kernel lockdown variable content directly into memory. The table is further loaded and executed by the kernel, defeating its Secure Boot lockdown and allowing the attacker to load unsigned code. The highest threat from this vulnerability is to data confidentiality and integrity, as well as system availability.
8	CVE-2019-10182	22	Dir. Trav.	2019-07-31	2019-08-15	5.8	None	Remote	Medium	Not required	None	Partial	Partial
It was found that icedtea-web though 1.7.2 and 1.8.2 did not properly sanitize paths from <jar/> elements in JNLP files. An attacker could trick a victim into running a specially crafted application and use this flaw to upload arbitrary files to arbitrary locations in the context of the user.
9	CVE-2019-10168	22	Dir. Trav.	2019-08-02	2020-10-15	4.6	None	Local	Low	Not required	Partial	Partial	Partial
The virConnectBaselineHypervisorCPU() and virConnectCompareHypervisorCPU() libvirt APIs, 4.x.x before 4.10.1 and 5.x.x before 5.4.1, accept an "emulator" argument to specify the program providing emulation for a domain. Since v1.2.19, libvirt will execute that program to probe the domain's capabilities. Read-only clients could specify an arbitrary path for this argument, causing libvirtd to execute a crafted executable with its own privileges.
10	CVE-2019-10167	22	Dir. Trav.	2019-08-02	2020-10-15	4.6	None	Local	Low	Not required	Partial	Partial	Partial
The virConnectGetDomainCapabilities() libvirt API, versions 4.x.x before 4.10.1 and 5.x.x before 5.4.1, accepts an "emulatorbin" argument to specify the program providing emulation for a domain. Since v1.2.19, libvirt will execute that program to probe the domain's capabilities. Read-only clients could specify an arbitrary path for this argument, causing libvirtd to execute a crafted executable with its own privileges.
11	CVE-2019-10166			2019-08-02	2020-10-15	4.6	None	Local	Low	Not required	Partial	Partial	Partial
It was discovered that libvirtd, versions 4.x.x before 4.10.1 and 5.x.x before 5.4.1, would permit readonly clients to use the virDomainManagedSaveDefineXML() API, which would permit them to modify managed save state files. If a managed save had already been created by a privileged user, a local attacker could modify this file such that libvirtd would execute an arbitrary program when the domain was resumed.
12	CVE-2019-9636			2019-03-08	2020-10-29	5.0	None	Remote	Low	Not required	Partial	None	None
Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.
13	CVE-2019-8308	668		2019-02-12	2020-08-24	4.4	None	Local	Medium	Not required	Partial	Partial	Partial
Flatpak before 1.0.7, and 1.1.x and 1.2.x before 1.2.3, exposes /proc in the apply_extra script sandbox, which allows attackers to modify a host-side executable file.
14	CVE-2019-7221	416		2019-03-21	2020-10-15	4.6	None	Local	Low	Not required	Partial	Partial	Partial
The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.
15	CVE-2019-6974	362		2019-02-15	2022-04-05	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
16	CVE-2019-6454	787	DoS	2019-03-21	2022-02-20	4.9	None	Local	Low	Not required	None	None	Complete
An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic).
17	CVE-2019-6133	362	Bypass	2019-01-11	2020-08-24	4.4	None	Local	Medium	Not required	Partial	Partial	Partial
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.
18	CVE-2019-6116		Exec Code	2019-03-21	2020-08-24	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
In Artifex Ghostscript through 9.26, ephemeral or transient procedures can allow access to system operators, leading to remote code execution.
19	CVE-2019-3878	287	Bypass	2019-03-26	2019-05-07	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
A vulnerability was found in mod_auth_mellon before v0.14.2. If Apache is configured as a reverse proxy and mod_auth_mellon is configured to only let through authenticated users (with the require valid-user directive), adding special HTTP headers that are normally used to start the special SAML ECP (non-browser based) can be used to bypass authentication.
20	CVE-2019-3863	787		2019-03-25	2019-05-14	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error.
21	CVE-2019-3857	787	Exec Code Overflow	2019-03-25	2020-10-15	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
22	CVE-2019-3856	787	Exec Code Overflow	2019-03-25	2020-10-15	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
23	CVE-2019-3855	787	Exec Code Overflow	2019-03-21	2020-10-15	9.3	None	Remote	Medium	Not required	Complete	Complete	Complete
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
24	CVE-2019-3838			2019-03-25	2020-10-15	4.3	None	Remote	Medium	Not required	Partial	None	None
It was found that the forceput operator could be extracted from the DefineResource method in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.
25	CVE-2019-3835	862		2019-03-25	2020-10-15	4.3	None	Remote	Medium	Not required	Partial	None	None
It was found that the superexec operator was available in the internal dictionary in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.
26	CVE-2019-3816	22	Dir. Trav.	2019-03-14	2021-11-02	5.0	None	Remote	Low	Not required	Partial	None	None
Openwsman, versions up to and including 2.6.9, are vulnerable to arbitrary file disclosure because the working directory of openwsmand daemon was set to root directory. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted HTTP request to openwsman server.
27	CVE-2019-3815	401		2019-01-28	2020-11-13	2.1	None	Local	Low	Not required	None	None	Partial
A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the `_CMDLINE=` entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.
28	CVE-2019-3813	193	DoS Exec Code	2019-02-04	2022-04-26	5.4	None	Local Network	Medium	Not required	Partial	Partial	Partial
Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt. This may lead to a denial of service, or, in the worst case, code-execution by unauthenticated attackers.
29	CVE-2019-2422			2019-01-16	2022-05-13	4.3	None	Remote	Medium	Not required	Partial	None	None
Vulnerability in the Java SE component of Oracle Java SE (subcomponent: Libraries). Supported versions that are affected are Java SE: 7u201, 8u192 and 11.0.1; Java SE Embedded: 8u191. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Java SE accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.0 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).
30	CVE-2018-1000805	863		2018-10-08	2022-04-06	6.5	None	Remote	Low	???	Partial	Partial	Partial
Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server that can result in RCE. This attack appear to be exploitable via network connectivity.
31	CVE-2018-1000156	20	Exec Code	2018-04-06	2019-07-30	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in code execution. This attack appear to be exploitable via a patch file processed via the patch utility. This is similar to FreeBSD's CVE-2015-1418 however although they share a common ancestry the code bases have diverged over time.
32	CVE-2018-1000140	787	Exec Code Overflow	2018-03-23	2020-08-24	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate.
33	CVE-2018-1000001	787	Exec Code	2018-01-31	2019-10-03	7.2	None	Local	Low	Not required	Complete	Complete	Complete
In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.
34	CVE-2018-19477	704	Bypass	2018-11-23	2019-04-25	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.
35	CVE-2018-19476	704	Bypass	2018-11-23	2019-04-25	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
psi/zicc.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a setcolorspace type confusion.
36	CVE-2018-19475		Bypass	2018-11-23	2019-10-03	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
psi/zdevice2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because available stack space is not checked when the device remains the same.
37	CVE-2018-19409			2018-11-21	2019-10-03	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
An issue was discovered in Artifex Ghostscript before 9.26. LockSafetyParams is not checked correctly if another device is used.
38	CVE-2018-19134	704	Exec Code	2018-12-20	2019-01-11	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
In Artifex Ghostscript through 9.25, the setpattern operator did not properly validate certain types. A specially crafted PostScript document could exploit this to crash Ghostscript or, possibly, execute arbitrary code in the context of the Ghostscript process. This is a type confusion issue because of failure to check whether the Implementation of a pattern dictionary was a structure type.
39	CVE-2018-19115	787	Overflow	2018-11-08	2020-08-24	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap.
40	CVE-2018-18559	362		2018-10-22	2019-05-14	6.8	None	Remote	Medium	Not required	Partial	Partial	Partial
In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanout_add from setsockopt and bind on an AF_PACKET socket. This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain multithreaded case involving a packet_do_bind unregister action followed by a packet_notifier register action. Later, packet_release operates on only one of the two applicable linked lists. The attacker can achieve Program Counter control.
41	CVE-2018-18506			2019-02-05	2020-08-24	4.3	None	Remote	Medium	Not required	None	Partial	None
When proxy auto-detection is enabled, if a web server serves a Proxy Auto-Configuration (PAC) file or if a PAC file is loaded locally, this PAC file can specify that requests to the localhost are to be sent through the proxy to another server. This behavior is disallowed by default when a proxy is manually configured, but when enabled could allow for attacks on services and tools that bind to the localhost for networked behavior if they are accessed through browsing. This vulnerability affects Firefox < 65.
42	CVE-2018-18505	287		2019-02-05	2019-10-03	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
An earlier fix for an Inter-process Communication (IPC) vulnerability, CVE-2011-3079, added authentication to communication between IPC endpoints and server parents during IPC process creation. This authentication is insufficient for channels created after the IPC process is started, leading to the authentication not being correctly applied to later channels. This could allow for a sandbox escape through IPC channels due to lack of message validation in the listener process. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.
43	CVE-2018-18501	119	Overflow Mem. Corr.	2019-02-05	2019-04-02	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
Mozilla developers and community members reported memory safety bugs present in Firefox 64 and Firefox ESR 60.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.
44	CVE-2018-18500	416		2019-02-05	2019-04-02	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.
45	CVE-2018-18498	787	Overflow	2019-02-28	2020-08-24	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
46	CVE-2018-18494	346		2019-02-28	2019-03-11	4.3	None	Remote	Medium	Not required	Partial	None	None
A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location property to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
47	CVE-2018-18493	119	Overflow	2019-02-28	2019-03-11	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
48	CVE-2018-18492	416		2019-02-28	2019-03-11	7.5	None	Remote	Low	Not required	Partial	Partial	Partial
A use-after-free vulnerability can occur after deleting a selection element due to a weak reference to the select element in the options collection. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
49	CVE-2018-18445	125		2018-10-17	2020-10-15	7.2	None	Local	Low	Not required	Complete	Complete	Complete
In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.
50	CVE-2018-18397	863		2018-12-12	2020-08-24	2.1	None	Local	Low	Not required	None	Partial	None
The userfaultfd implementation in the Linux kernel before 4.19.7 mishandles access control for certain UFFDIO_ ioctl calls, as demonstrated by allowing local users to write data into holes in a tmpfs file (if the user has read-only access to that file, and that file contains holes), related to fs/userfaultfd.c and mm/userfaultfd.c.

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