Bug 1215067 (CVE-2023-41910)

Summary:	VUL-0: CVE-2023-41910: lldpd: lldpd CDP PDU Packet cdp.c out-of-bounds
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Cathy Hu <cathy.hu>
Component:	Incidents	Assignee:	Martin Hauke <mardnh>
Status:	NEW ---	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	security-team
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/377264/
Whiteboard:
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Cathy Hu 2023-09-06 11:28:59 UTC

CVE-2023-41910

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.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-41910
https://bugzilla.redhat.com/show_bug.cgi?id=2237411
https://www.cve.org/CVERecord?id=CVE-2023-41910
https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b
https://github.com/lldpd/lldpd/releases/tag/1.0.17

Comment 1 Cathy Hu 2023-09-06 11:30:49 UTC

Already fixed:
- openSUSE:Factory/lldpd 1.0.17

Affected:
- openSUSE:Backports:SLE-15-SP5/lldpd 1.0.16
- openSUSE:Backports:SLE-15-SP4/lldpd 1.0.13