Vulnerability · Published Nov 3, 2023 · Assigned by mitre
CVE-2023-47235
Medium 6.8
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 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.8%top 43.6% 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 a malformed BGP UPDATE message with an EOR is processed, because the presence of EOR does not lead to a treat-as-withdraw outcome.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | frr | 7.5.1-13.el8_9.3.alma.1 | ALSA-2024:0130 |
| AlmaLinux:9 | frr | 8.3.1-11.el9_3.2.alma.1 | ALSA-2024:0477 |
| AlmaLinux:8 | frr-selinux | 7.5.1-13.el8_9.3.alma.1 | ALSA-2024:0130 |
| AlmaLinux:9 | frr-selinux | 8.3.1-11.el9_3.2.alma.1 | ALSA-2024:0477 |
| Debian:12 | frr | no fix listed | DEBIAN-CVE-2023-47235 |
| Debian:13 | frr | 9.1-0.1 | DEBIAN-CVE-2023-47235 |
| Debian:14 | frr | 9.1-0.1 | DEBIAN-CVE-2023-47235 |
| Rocky Linux:8 | frr | 0:7.5.1-13.el8_9.3 | RLSA-2024:0130 |
| Ubuntu:22.04:LTS | frr | 8.1-1ubuntu1.8 | USN-6498-1 |
| Ubuntu:22.04:LTS | frr | 8.1-1ubuntu1.8 | UBUNTU-CVE-2023-47235 |
| Ubuntu:24.04:LTS | frr | 8.4.4-1.1ubuntu3 | UBUNTU-CVE-2023-47235 |