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CVE-2020-14354

Published: May 13, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-120
NVD MITRE
3.3CVSSLOW
EPSS Score
0.5%
Top 59.6%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-120CWE-415CWE-416

Affected Products

c-aresc-ares
Library
OSS Libraries / generic-library
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
c-aresn/a
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
c-aresСообщество свободного программного обеспечения
On-prem
Operating Systems / linux-distro
c-aresoss-projectOSS Libraries
fedoraprojectoss-projectUSOperating Systemsaka fedora project
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://bugzilla.redhat.com/show_bug.cgi?id=1866838
bugzilla.redhat.com
https://c-ares.haxx.se/changelog.html
c-ares.haxx.se
https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e
github.com
and 8 more references View all →

Timeline

Published
May 13, 2021
Last Updated
Nov 21, 2024

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