CVE-2020-14354

Summary

CVECVE-2020-14354
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-13 14:15:00 UTC
Updated2023-11-07 03:17:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-415 | CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application C-ares C-ares 1.16.0 All All All
Application C-ares Project C-ares 1.16.0 All All All
Operating System Fedoraproject Fedora 33 All All All

References

ReferenceSourceLinkTags
1866838 – (CVE-2020-14354) CVE-2020-14354 c-ares: ares_destroy() with pending ares_getaddrinfo() leads to Use-After-Free MISC bugzilla.redhat.com
c-ares changelog MISC c-ares.haxx.se
[SECURITY] Fedora 33 Update: nodejs-14.15.1-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
c-ares 1.16.0 Use-After-Free ≈ Packet Storm MISC packetstormsecurity.com
[SECURITY] Fedora 33 Update: nodejs-14.15.1-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Prevent possible double-free in ares_getaddrinfo() if ares_destroy() … · c-ares/c-ares@1cc7e83 · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 671933 EulerOS Security Update for c-ares (EulerOS-SA-2022-1959)
  • 671961 EulerOS Security Update for c-ares (EulerOS-SA-2022-1989)
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