Vulnerability · Published Nov 3, 2023 · Assigned by mitre

CVE-2023-47234

High 7.5

In plain English

A high-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 1.1% (higher than 66% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.1%top 34.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when processing a crafted BGP UPDATE message with a MP_UNREACH_NLRI attribute and additional NLRI data (that lacks mandatory path attributes).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8frr7.5.1-13.el8_9.3.alma.1ALSA-2024:0130
AlmaLinux:9frr8.3.1-11.el9_3.2.alma.1ALSA-2024:0477
AlmaLinux:8frr-selinux7.5.1-13.el8_9.3.alma.1ALSA-2024:0130
AlmaLinux:9frr-selinux8.3.1-11.el9_3.2.alma.1ALSA-2024:0477
Debian:12frrno fix listedDEBIAN-CVE-2023-47234
Debian:13frr9.1-0.1DEBIAN-CVE-2023-47234
Debian:14frr9.1-0.1DEBIAN-CVE-2023-47234
Rocky Linux:8frr0:7.5.1-13.el8_9.3RLSA-2024:0130
Ubuntu:22.04:LTSfrr8.1-1ubuntu1.8USN-6498-1
Ubuntu:22.04:LTSfrr8.1-1ubuntu1.8UBUNTU-CVE-2023-47234
Ubuntu:24.04:LTSfrr8.4.4-1.1ubuntu3UBUNTU-CVE-2023-47234

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References