Out-of-bounds Write Affecting lldpd package, versions <1.0.11-1+deb11u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.43% (76th percentile)

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  • Snyk IDSNYK-DEBIAN11-LLDPD-1920891
  • published14 Nov 2021
  • disclosed15 Apr 2023

Introduced: 14 Nov 2021

CVE-2021-43612  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:11 lldpd to version 1.0.11-1+deb11u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lldpd package and not the lldpd package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via short SONMP packets.

CVSS Scores

version 3.1