CVE-2020-14354

A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
Configurations

Configuration 1 (hide)

cpe:2.3:a:c-ares:c-ares:1.16.0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

History

26 Apr 2022, 16:05

Type Values Removed Values Added
CWE CWE-120 CWE-415

20 May 2021, 18:23

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:a:c-ares_project:c-ares:1.16.0:*:*:*:*:*:*:*
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1866838 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1866838 - Exploit, Issue Tracking, Patch, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/ - Mailing List, Third Party Advisory
References (MISC) https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e - (MISC) https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e - Patch, Third Party Advisory
References (MISC) https://packetstormsecurity.com/files/158755/GS20200804145053.txt - (MISC) https://packetstormsecurity.com/files/158755/GS20200804145053.txt - Exploit, Third Party Advisory, VDB Entry
References (MISC) https://c-ares.haxx.se/changelog.html - (MISC) https://c-ares.haxx.se/changelog.html - Release Notes, Vendor Advisory
CVSS v2 : unknown
v3 : unknown
v2 : 2.1
v3 : 3.3
CWE CWE-120
CWE-416

Information

Published : 2021-05-13 14:15

Updated : 2024-02-04 21:47


NVD link : CVE-2020-14354

Mitre link : CVE-2020-14354

CVE.ORG link : CVE-2020-14354


JSON object : View

Products Affected

fedoraproject

  • fedora

c-ares

  • c-ares
CWE
CWE-415

Double Free

CWE-416

Use After Free

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')