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Vulnerability Details : CVE-2020-7463

In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.
Publish Date : 2021-03-26 Last Update Date : 2022-04-22
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
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)
CWE ID 416

- Products Affected By CVE-2020-7463

# Product Type Vendor Product Version Update Edition Language
1 Application Apple Icloud * * * * Version Details Vulnerabilities
2 OS Apple Ipad Os * * * * Version Details Vulnerabilities
3 OS Apple Iphone Os * * * * Version Details Vulnerabilities
4 Application Apple Itunes * * * * Version Details Vulnerabilities
5 OS Apple Macos * * * * Version Details Vulnerabilities
6 Application Apple Safari * * * * Version Details Vulnerabilities
7 OS Apple Tvos * * * * Version Details Vulnerabilities
8 OS Apple Watchos * * * * Version Details Vulnerabilities
9 OS Freebsd Freebsd 11.3 P6 * * Version Details Vulnerabilities
10 OS Freebsd Freebsd 11.3 P1 * * Version Details Vulnerabilities
11 OS Freebsd Freebsd 11.3 P10 * * Version Details Vulnerabilities
12 OS Freebsd Freebsd 11.3 P7 * * Version Details Vulnerabilities
13 OS Freebsd Freebsd 11.3 P11 * * Version Details Vulnerabilities
14 OS Freebsd Freebsd 11.3 P8 * * Version Details Vulnerabilities
15 OS Freebsd Freebsd 11.3 P3 * * Version Details Vulnerabilities
16 OS Freebsd Freebsd 11.3 P12 * * Version Details Vulnerabilities
17 OS Freebsd Freebsd 11.3 P9 * * Version Details Vulnerabilities
18 OS Freebsd Freebsd 11.3 P4 * * Version Details Vulnerabilities
19 OS Freebsd Freebsd 11.3 P2 * * Version Details Vulnerabilities
20 OS Freebsd Freebsd 11.3 P5 * * Version Details Vulnerabilities
21 OS Freebsd Freebsd 11.3 - * * Version Details Vulnerabilities
22 OS Freebsd Freebsd 11.4 P2 * * Version Details Vulnerabilities
23 OS Freebsd Freebsd 11.4 - * * Version Details Vulnerabilities
24 OS Freebsd Freebsd 11.4 P1 * * Version Details Vulnerabilities
25 OS Freebsd Freebsd 12.1 P4 * * Version Details Vulnerabilities
26 OS Freebsd Freebsd 12.1 P5 * * Version Details Vulnerabilities
27 OS Freebsd Freebsd 12.1 - * * Version Details Vulnerabilities
28 OS Freebsd Freebsd 12.1 P6 * * Version Details Vulnerabilities
29 OS Freebsd Freebsd 12.1 P1 * * Version Details Vulnerabilities
30 OS Freebsd Freebsd 12.1 P7 * * Version Details Vulnerabilities
31 OS Freebsd Freebsd 12.1 P2 * * Version Details Vulnerabilities
32 OS Freebsd Freebsd 12.1 P8 * * Version Details Vulnerabilities
33 OS Freebsd Freebsd 12.1 P3 * * Version Details Vulnerabilities
34 OS Freebsd Freebsd 12.2 - * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Icloud 1
Apple Ipad Os 1
Apple Iphone Os 1
Apple Itunes 1
Apple Macos 1
Apple Safari 1
Apple Tvos 1
Apple Watchos 1
Freebsd Freebsd 26

- References For CVE-2020-7463

http://seclists.org/fulldisclosure/2021/Apr/59
FULLDISC 20210427 APPLE-SA-2021-04-26-9 iTunes 12.11.3 for Windows
https://support.apple.com/kb/HT212324 CONFIRM
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc
http://seclists.org/fulldisclosure/2021/Apr/58
FULLDISC 20210427 APPLE-SA-2021-04-26-8 iCloud for Windows 12.3
http://seclists.org/fulldisclosure/2021/Apr/57
FULLDISC 20210427 APPLE-SA-2021-04-26-7 Safari 14.1
http://seclists.org/fulldisclosure/2021/Apr/49
FULLDISC 20210427 APPLE-SA-2021-04-26-1 iOS 14.5 and iPadOS 14.5
http://seclists.org/fulldisclosure/2021/Apr/50
FULLDISC 20210427 APPLE-SA-2021-04-26-2 macOS Big Sur 11.3
https://support.apple.com/kb/HT212319 CONFIRM
https://support.apple.com/kb/HT212318 CONFIRM
https://support.apple.com/kb/HT212321 CONFIRM
https://support.apple.com/kb/HT212317 CONFIRM
https://support.apple.com/kb/HT212325 CONFIRM
https://support.apple.com/kb/HT212323 CONFIRM

- Metasploit Modules Related To CVE-2020-7463

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


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