5.5
MEDIUM
CVE-2020-7463
FreeBSD SCP Use-After-Free Vulnerability
Description

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.

INFO

Published Date :

March 26, 2021, 9:15 p.m.

Last Modified :

Jan. 9, 2023, 4:41 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2020-7463 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple itunes
3 Apple iphone_os
4 Apple tvos
5 Apple watchos
6 Apple safari
7 Apple icloud
8 Apple ipados
1 Freebsd freebsd
: Total Affected Vendor : 2 | Products : 9
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-7463.

URL Resource
http://seclists.org/fulldisclosure/2021/Apr/49 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Apr/57 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Apr/58 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Apr/59 Mailing List Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc Vendor Advisory
https://support.apple.com/kb/HT212317 Third Party Advisory
https://support.apple.com/kb/HT212318 Third Party Advisory
https://support.apple.com/kb/HT212319 Third Party Advisory
https://support.apple.com/kb/HT212321 Third Party Advisory
https://support.apple.com/kb/HT212323 Third Party Advisory
https://support.apple.com/kb/HT212324 Third Party Advisory
https://support.apple.com/kb/HT212325 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-7463 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-7463 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Jan. 09, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions from (excluding) 14.5 OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (excluding) 14.5
  • Modified Analysis by [email protected]

    Apr. 22, 2022

    Action Type Old Value New Value
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/49 Third Party Advisory http://seclists.org/fulldisclosure/2021/Apr/49 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/50 Third Party Advisory http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/57 Third Party Advisory http://seclists.org/fulldisclosure/2021/Apr/57 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/58 Third Party Advisory http://seclists.org/fulldisclosure/2021/Apr/58 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/59 Third Party Advisory http://seclists.org/fulldisclosure/2021/Apr/59 Mailing List, Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212323 No Types Assigned https://support.apple.com/kb/HT212323 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212324 No Types Assigned https://support.apple.com/kb/HT212324 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions up to (excluding) 12.3 *cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* versions up to (excluding) 12.11.3 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.3 OR *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions up to (excluding) 12.3 *cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* versions up to (excluding) 12.11.3 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.3 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 7.4
  • CVE Modified by [email protected]

    Jul. 22, 2021

    Action Type Old Value New Value
    Added Reference https://support.apple.com/kb/HT212324 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212323 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 30, 2021

    Action Type Old Value New Value
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/49 No Types Assigned http://seclists.org/fulldisclosure/2021/Apr/49 Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/50 No Types Assigned http://seclists.org/fulldisclosure/2021/Apr/50 Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/57 No Types Assigned http://seclists.org/fulldisclosure/2021/Apr/57 Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/58 No Types Assigned http://seclists.org/fulldisclosure/2021/Apr/58 Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/59 No Types Assigned http://seclists.org/fulldisclosure/2021/Apr/59 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212317 No Types Assigned https://support.apple.com/kb/HT212317 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212318 No Types Assigned https://support.apple.com/kb/HT212318 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212319 No Types Assigned https://support.apple.com/kb/HT212319 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212321 No Types Assigned https://support.apple.com/kb/HT212321 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212325 No Types Assigned https://support.apple.com/kb/HT212325 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* versions up to (excluding) 12.3 *cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* versions up to (excluding) 12.11.3 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 14.1 *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.5 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.3
  • CVE Modified by [email protected]

    Apr. 27, 2021

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2021/Apr/57 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2021/Apr/58 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2021/Apr/59 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 27, 2021

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2021/Apr/50 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2021/Apr/49 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 26, 2021

    Action Type Old Value New Value
    Added Reference https://support.apple.com/kb/HT212325 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212321 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212317 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212318 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212319 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 02, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc No Types Assigned https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc Vendor Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p12:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-7463 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-7463 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.00%

score

0.14537

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: