FRRouting up to 8.3 BGP Daemon bgpd/bgp_packet.c bgp_capability_msg_parse out-of-bounds

EntryHistoryDiffjsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in FRRouting up to 8.3. Affected is the function bgp_capability_msg_parse of the file bgpd/bgp_packet.c of the component BGP Daemon. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

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.

The weakness was presented 09/20/2022 as 6d58272b4cf96f0daa846210dd2104877900f921. The advisory is available at github.com. This vulnerability is traded as CVE-2022-37032 since 07/29/2022. Technical details are known, but there is no available exploit.

Upgrading to version 8.4 eliminates this vulnerability. Applying the patch 6d58272b4cf96f0daa846210dd2104877900f921 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Name

FRRouting

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FRRouting 8.4
Patch: 6d58272b4cf96f0daa846210dd2104877900f921

Timelineinfo

07/29/2022 🔍
09/20/2022 +53 days 🔍
09/20/2022 +0 days 🔍
10/21/2022 +31 days 🔍

Sourcesinfo

Advisory: 6d58272b4cf96f0daa846210dd2104877900f921
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-37032 (🔍)

Entryinfo

Created: 09/20/2022 09:51
Updated: 10/21/2022 09:01
Changes: 09/20/2022 09:51 (45), 10/21/2022 09:01 (11)
Complete: 🔍