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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7	Patch
https://github.com/lldpd/lldpd/compare/1.0.12...1.0.13	Patch Release Notes
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	Patch Third Party Advisory
https://github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7	Patch
https://github.com/lldpd/lldpd/compare/1.0.12...1.0.13	Patch Release Notes
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	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:lldpd_project:lldpd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:36:::::::*
	cpe:2.3:o:fedoraproject:fedora:37:::::::*
	cpe:2.3:o:fedoraproject:fedora:38:::::::*

History

21 Nov 2024, 06:29

Type	Values Removed	Values Added
References	~~() https://github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7 - Patch~~	() https://github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7 - Patch
References	~~() https://github.com/lldpd/lldpd/compare/1.0.12...1.0.13 - Patch, Release Notes~~	() https://github.com/lldpd/lldpd/compare/1.0.12...1.0.13 - Patch, Release Notes
References	~~() 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/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/ -
References	~~() 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/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/ -
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/ -
References	~~() https://lldpd.github.io/security.html - Patch, Third Party Advisory~~	() https://lldpd.github.io/security.html - Patch, Third Party Advisory

Information

Published : 2023-04-15 22:15

Updated : 2025-02-06 16:15

NVD link : CVE-2021-43612

Mitre link : CVE-2021-43612

CVE.ORG link : CVE-2021-43612

JSON object : View

Products Affected

lldpd_project

lldpd

fedoraproject

fedora

CWE

CWE-787

Out-of-bounds Write

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7.5 /10