Vulnerability · Published Mar 3, 2022 · Assigned by redhat

CVE-2022-26129

High 7.8

In plain English

A high-severity memory corruption in FRRouting. 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 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.0%top 36.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to wrong checks on the subtlv length in the functions, parse_hello_subtlv, parse_ihu_subtlv, and parse_update_subtlv in babeld/message.c.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20frr8.2.1-r0ALPINE-CVE-2022-26129
Alpine:v3.21frr8.2.1-r0ALPINE-CVE-2022-26129
Alpine:v3.22frr8.2.1-r0ALPINE-CVE-2022-26129
Alpine:v3.23frr8.2.1-r0ALPINE-CVE-2022-26129
Alpine:v3.24frr8.2.1-r0ALPINE-CVE-2022-26129
Debian:12frr8.4.1-1DEBIAN-CVE-2022-26129
Debian:13frr8.4.1-1DEBIAN-CVE-2022-26129
Debian:14frr8.4.1-1DEBIAN-CVE-2022-26129
Ubuntu:22.04:LTSfrr8.1-1ubuntu1UBUNTU-CVE-2022-26129

Affected products (as reported)

VendorProductVersions
n/a FRRouting through 8.1.0

Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References