VulnerabilityModified
CVE-2022-37035
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.
HIGH 8.1EPSS 2.41%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.41% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- frrouting/frrouting
- Source
- cve@mitre.org
References
- https://docs.google.com/document/d/1TqYEcZbFeDTMKe2N4XRFwyAjw_mynIHfvzwbx1fmJj8/edit?usp=sharingExploit, Third Party Advisory
- https://github.com/FRRouting/frr/issues/11698Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
- https://docs.google.com/document/d/1TqYEcZbFeDTMKe2N4XRFwyAjw_mynIHfvzwbx1fmJj8/edit?usp=sharingExploit, Third Party Advisory
- https://github.com/FRRouting/frr/issues/11698Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
- https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.