Vulnerability · Published Aug 2, 2022 · Assigned by mitre
CVE-2022-37035
High 8.1
In plain English
A high-severity security flaw in the frr package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.1High
Exploit odds (30 days)2.6%top 14.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | frr | 8.4.1-1 | DEBIAN-CVE-2022-37035 |
| Debian:13 | frr | 8.4.1-1 | DEBIAN-CVE-2022-37035 |
| Debian:14 | frr | 8.4.1-1 | DEBIAN-CVE-2022-37035 |
| Ubuntu:22.04:LTS | frr | 8.1-1ubuntu1.2 | USN-5685-1 |
| Ubuntu:22.04:LTS | frr | 8.1-1ubuntu1.2 | UBUNTU-CVE-2022-37035 |