Executive Summary

Informations
Name CVE-2020-7463 First vendor Publication 2021-03-26
Vendor Cve Last vendor Modification 2021-07-22

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 4.9 Attack Range Local
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7463

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 31
Application 338
Application 264
Os 1
Os 167
Os 1
Os 1
Os 26

Sources (Detail)

Source Url
CONFIRM https://support.apple.com/kb/HT212317
https://support.apple.com/kb/HT212318
https://support.apple.com/kb/HT212319
https://support.apple.com/kb/HT212321
https://support.apple.com/kb/HT212325
FULLDISC http://seclists.org/fulldisclosure/2021/Apr/49
http://seclists.org/fulldisclosure/2021/Apr/50
http://seclists.org/fulldisclosure/2021/Apr/57
http://seclists.org/fulldisclosure/2021/Apr/58
http://seclists.org/fulldisclosure/2021/Apr/59
MISC https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc

Alert History

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Date Informations
2021-07-22 17:22:59
  • Multiple Updates
2021-05-23 12:37:48
  • Multiple Updates
2021-05-04 14:10:19
  • Multiple Updates
2021-05-04 13:25:31
  • Multiple Updates
2021-04-30 21:23:10
  • Multiple Updates
2021-04-28 05:22:53
  • Multiple Updates
2021-04-27 00:22:47
  • Multiple Updates
2021-04-22 03:10:24
  • Multiple Updates
2021-04-03 00:22:54
  • Multiple Updates
2021-03-27 00:22:52
  • First insertion