Vulnerability · Published May 9, 2023 · Assigned by mitre
CVE-2023-31489
Medium 5.5
In plain English
A medium-severity security flaw in the frr package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.0%top 36.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_capability_llgr() function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | frr | 8.5.3-4.el9 | ALSA-2024:2156 |
| AlmaLinux:9 | frr-selinux | 8.5.3-4.el9 | ALSA-2024:2156 |
| Debian:12 | frr | 8.4.4-1 | DEBIAN-CVE-2023-31489 |
| Debian:13 | frr | 8.4.4-1 | DEBIAN-CVE-2023-31489 |
| Debian:14 | frr | 8.4.4-1 | DEBIAN-CVE-2023-31489 |
Affected products (as reported)
References
- https://github.com/FRRouting/frr/issues/13098
- FEDORA-2023-514db5339e vendor-advisory
- FEDORA-2023-ce436d56f8 vendor-advisory
- FEDORA-2023-61abba57d8 vendor-advisory