VulnerabilityModified
CVE-2023-41910
By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory.
CRITICAL 9.8EPSS 1.15%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.15% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- lldpd project/lldpd
- Source
- cve@mitre.org
References
- https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099bPatch
- https://github.com/lldpd/lldpd/releases/tag/1.0.17Release Notes
- https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html
- https://www.debian.org/security/2023/dsa-5505
- https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099bPatch
- https://github.com/lldpd/lldpd/releases/tag/1.0.17Release Notes
- https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html
- https://www.debian.org/security/2023/dsa-5505
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.