CVE-2021-43612

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.

Published: Apr 16, 2023
Updated: Apr 27, 2023
CVE: CVE-2021-43612
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

CWE-787

Affected Software
References

Software	From	Fixed in
lldpd_project / lldpd	-	1.0.13
fedoraproject / fedora	36	36.x
fedoraproject / fedora	37	37.x
fedoraproject / fedora	38	38.x

https://github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7
https://github.com/lldpd/lldpd/compare/1.0.12...1.0.13
https://lists.fedoraproject.org/archives/list/[email protected]/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
https://lists.fedoraproject.org/archives/list/[email protected]/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
https://lists.fedoraproject.org/archives/list/[email protected]/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
https://lldpd.github.io/security.html

Vulnerability Database

289,697

CVE-2021-43612