CVE-2020-6080

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Summary

CVECVE-2020-6080
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-03-24 21:15:00 UTC
Updated2022-04-22 19:06:00 UTC
DescriptionAn exploitable denial-of-service vulnerability exists in the resource allocation handling of Videolabs libmicrodns 0.1.0. When encountering errors while parsing mDNS messages, some allocated data is not freed, possibly leading to a denial-of-service condition via resource exhaustion. An attacker can send one mDNS message repeatedly to trigger this vulnerability through the function rr_read_RR [5] reads the current resource record, except for the RDATA section. This is read by the loop at in rr_read. For each RR type, a different function is called. When the RR type is 0x10, the function rr_read_TXT is called at [6].

Risk And Classification

Problem Types: CWE-401

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Videolabs Libmicrodns 0.1.0 All All All
Application Videolabs Libmicrodns 0.1.0 All All All

References

ReferenceSourceLinkTags
libmicrodns: Multiple vulnerabilities (GLSA 202005-10) — Gentoo security GENTOO security.gentoo.org
Debian -- Security Information -- DSA-4671-1 vlc DEBIAN www.debian.org
TALOS-2020-1002 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence MISC talosintelligence.com Exploit, Technical Description, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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