Denial of service in FRRouting FRR



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-31949
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 frr
Other software / Other software solutions

Vendor frrouting.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU101850

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-31949

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when receiving a MP/GR capability as a dynamic capability. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

frr: 7.0 - 9.0.3

CPE2.3 External links

http://github.com/FRRouting/frr/pull/15640
http://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b
http://lists.debian.org/debian-lts-announce/2024/04/msg00019.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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