Vulnerability · Published Sep 5, 2023 · Assigned by mitre
CVE-2023-41910
Critical 9.8
In plain English
A critical-severity security flaw in the lldpd package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.1%top 33.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | lldpd | 1.0.18-4.el9 | ALSA-2024:9158 |
| AlmaLinux:9 | lldpd-devel | 1.0.18-4.el9 | ALSA-2024:9158 |
| Debian:12 | lldpd | 1.0.16-1+deb12u1 | DSA-5505-1 |
| Debian:12 | lldpd | 1.0.16-1+deb12u1 | DEBIAN-CVE-2023-41910 |
| Debian:13 | lldpd | 1.0.17-1 | DEBIAN-CVE-2023-41910 |
| Debian:14 | lldpd | 1.0.17-1 | DEBIAN-CVE-2023-41910 |
| Rocky Linux:9 | lldpd | 0:1.0.18-4.el9 | RLSA-2024:9158 |
| Ubuntu:22.04:LTS | lldpd | no fix listed | UBUNTU-CVE-2023-41910 |