CVE-2020-7463

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
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.
Overview
  • CVE ID
  • CVE-2020-7463
  • Assigner
  • secteam@freebsd.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-26T21:15:13
  • Last Modified Date
  • 2023-01-09T16:41:59
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p12:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* 1 OR 12.3
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* 1 OR 12.11.3
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* 1 OR 14.1
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* 1 OR 14.5
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 14.5
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0 11.3
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 1 OR 14.5
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 1 OR 7.4
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc Vendor Advisory
https://support.apple.com/kb/HT212325 Third Party Advisory
https://support.apple.com/kb/HT212321 Third Party 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
http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Apr/49 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://support.apple.com/kb/HT212324 Third Party Advisory
https://support.apple.com/kb/HT212323 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-7463
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7463
History
Created Old Value New Value Data Type Notes
2022-05-10 06:27:23 Added to TrackCVE
2022-12-06 00:33:10 2021-03-26T21:15Z 2021-03-26T21:15:13 CVE Published Date updated
2022-12-06 00:33:10 2022-04-22T18:55:34 CVE Modified Date updated
2022-12-06 00:33:10 Analyzed Vulnerability Status updated
2023-01-09 17:13:22 2023-01-09T16:41:59 CVE Modified Date updated