Vulnerability in Frrouting
CVE-2022-37035
An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.026 · change: +0.002
Affected products
- Frrouting — versions 8.3
Weakness classification (CWE)
References
- docs.google.com/document/d/1TqYEcZbFeDTMKe2N4XRFwyAjw_mynIHfvzwbx1fmJj8/edit (Exploit, Third Party Advisory)
- github.com/FRRouting/frr/issues/11698 (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2024/04/msg00019.html (mailing-list)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-37035?
- CVE-2022-37035 is a high-severity vulnerability in Frrouting, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.1/10. Published 2022-08-02.
- How severe is CVE-2022-37035?
- High severity. CVSS v3 base score is 8.1 out of 10.