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CVE-2020-6078

Status Candidate

Overview

An exploitable denial-of-service vulnerability exists in the message-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing mDNS messages in mdns_recv, the return value of the mdns_read_header function is not checked, leading to an uninitialized variable usage that eventually results in a null pointer dereference, leading to service crash. An attacker can send a series of mDNS messages to trigger this vulnerability.

Related Files

Gentoo Linux Security Advisory 202005-10
Posted May 15, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202005-10 - Multiple vulnerabilities have been found in libmicrodns, the worst of which could result in the arbitrary execution of code. Versions less than 0.1.2 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-6071, CVE-2020-6072, CVE-2020-6073, CVE-2020-6077, CVE-2020-6078, CVE-2020-6079, CVE-2020-6080
SHA-256 | 66c281f96d26b266f316a42a4d0d4eee8789cb50241c96fcbd5f7d23c993d110
Debian Security Advisory 4671-1
Posted Apr 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4671-1 - Multiple security issues were discovered in the microdns plugin of the VLC media player, which could result in denial of service or potentially the execution of arbitrary code via malicious mDNS packets.

tags | advisory, denial of service, arbitrary
systems | linux, debian
advisories | CVE-2020-6071, CVE-2020-6072, CVE-2020-6073, CVE-2020-6077, CVE-2020-6078, CVE-2020-6079, CVE-2020-6080
SHA-256 | ef9df0bd2be4dedf52d06e6a738551173e591d33d7bf4295bffdcb2548c9f31f
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