Vulnerability · Published Sep 19, 2022 · Assigned by mitre
CVE-2022-37032
Critical 9.1
In plain English
A critical-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 2.2% (higher than 83% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)2.2%top 17.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
An out-of-bounds read in the BGP daemon of FRRouting FRR before 8.4 may lead to a segmentation fault and denial of service. This occurs in bgp_capability_msg_parse in bgpd/bgp_packet.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | frr | 7.5.1-7.el8 | ALSA-2023:2801 |
| AlmaLinux:9 | frr | 8.3.1-5.el9 | ALSA-2023:2202 |
| AlmaLinux:8 | frr-selinux | 7.5.1-7.el8 | ALSA-2023:2801 |
| AlmaLinux:9 | frr-selinux | 8.3.1-5.el9 | ALSA-2023:2202 |
| Debian:12 | frr | 8.4.1-1 | DEBIAN-CVE-2022-37032 |
| Debian:13 | frr | 8.4.1-1 | DEBIAN-CVE-2022-37032 |
| Debian:14 | frr | 8.4.1-1 | DEBIAN-CVE-2022-37032 |
| Ubuntu:22.04:LTS | frr | 8.1-1ubuntu1.2 | UBUNTU-CVE-2022-37032 |
| Ubuntu:22.04:LTS | frr | 8.1-1ubuntu1.2 | USN-5685-1 |
Affected products (as reported)
References
- https://github.com/FRRouting/frr/commit/ff6db1027f8f36df657ff2e5ea167773752537ed
- https://github.com/FRRouting/frr/commit/6d58272b4cf96f0daa846210dd2104877900f921
- https://bugzilla.suse.com/show_bug.cgi?id=1202023
- [debian-lts-announce] 20221128 [SECURITY] [DLA 3211-1] frr security update mailing-list
- DSA-5362 vendor-advisory