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Vulnerability Details : CVE-2017-1000253

Linux distributions that have not patched their long-term kernels with (committed on April 14, 2015). This kernel vulnerability was fixed in April 2015 by commit a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (backported to Linux 3.10.77 in May 2015), but it was not recognized as a security threat. With CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE enabled, and a normal top-down address allocation strategy, load_elf_binary() will attempt to map a PIE binary into an address range immediately below mm->mmap_base. Unfortunately, load_elf_ binary() does not take account of the need to allocate sufficient space for the entire binary which means that, while the first PT_LOAD segment is mapped below mm->mmap_base, the subsequent PT_LOAD segment(s) end up being mapped above mm->mmap_base into the are that is supposed to be the "gap" between the stack and the binary.
Publish Date : 2017-10-05 Last Update Date : 2017-12-09
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Overflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:1842: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20171842 unix
RHSA-2017:2795: kernel security update (Important) oval:com.redhat.rhsa:def:20172795 unix
RHSA-2017:2801: kernel security update (Important) oval:com.redhat.rhsa:def:20172801 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2017-1000253

# Product Type Vendor Product Version Update Edition Language
1 OS Centos Centos 6.0 * * * Version Details Vulnerabilities
2 OS Centos Centos 6.1 * * * Version Details Vulnerabilities
3 OS Centos Centos 6.2 * * * Version Details Vulnerabilities
4 OS Centos Centos 6.3 * * * Version Details Vulnerabilities
5 OS Centos Centos 6.4 * * * Version Details Vulnerabilities
6 OS Centos Centos 6.5 * * * Version Details Vulnerabilities
7 OS Centos Centos 6.6 * * * Version Details Vulnerabilities
8 OS Centos Centos 6.7 * * * Version Details Vulnerabilities
9 OS Centos Centos 6.8 * * * Version Details Vulnerabilities
10 OS Centos Centos 6.9 * * * Version Details Vulnerabilities
11 OS Centos Centos 7.1406 * * * Version Details Vulnerabilities
12 OS Centos Centos 7.1503 * * * Version Details Vulnerabilities
13 OS Centos Centos 7.1511 * * * Version Details Vulnerabilities
14 OS Centos Centos 7.1611 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux 6.0 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux 6.1 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux 6.2 * * * Version Details Vulnerabilities
18 OS Redhat Enterprise Linux 6.3 * * * Version Details Vulnerabilities
19 OS Redhat Enterprise Linux 6.4 * * * Version Details Vulnerabilities
20 OS Redhat Enterprise Linux 6.5 * * * Version Details Vulnerabilities
21 OS Redhat Enterprise Linux 6.6 * * * Version Details Vulnerabilities
22 OS Redhat Enterprise Linux 6.7 * * * Version Details Vulnerabilities
23 OS Redhat Enterprise Linux 6.8 * * * Version Details Vulnerabilities
24 OS Redhat Enterprise Linux 6.9 * * * Version Details Vulnerabilities
25 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
26 OS Redhat Enterprise Linux 7.1 * * * Version Details Vulnerabilities
27 OS Redhat Enterprise Linux 7.2 * * * Version Details Vulnerabilities
28 OS Redhat Enterprise Linux 7.3 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Centos Centos 14
Redhat Enterprise Linux 14

- References For CVE-2017-1000253
REDHAT RHSA-2017:2793
REDHAT RHSA-2017:2798
REDHAT RHSA-2017:2795
REDHAT RHSA-2017:2794
REDHAT RHSA-2017:2796
REDHAT RHSA-2017:2797
REDHAT RHSA-2017:2799
REDHAT RHSA-2017:2800
REDHAT RHSA-2017:2801
REDHAT RHSA-2017:2802
BID 101010 Linux Kernel CVE-2017-1000253 Local Privilege Escalation Vulnerability Release Date:2017-09-26
SECTRACK 1039434

- Metasploit Modules Related To CVE-2017-1000253

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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