CVE-2022-37035
Published: 2 August 2022
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.
Notes
| Author | Note |
|---|---|
| mdeslaur | code doesn't appear to be present in quagga |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
frr Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Needed
|
|
| jammy |
Released
(8.1-1ubuntu1.2)
|
|
| kinetic |
Released
(8.1-1ubuntu3)
|
|
| lunar |
Released
(8.1-1ubuntu3)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| mantic |
Released
(8.1-1ubuntu3)
|
|
|
Patches: upstream: https://github.com/FRRouting/frr/pull/11926 upstream: https://github.com/FRRouting/frr/commit/71ca5b09bc71e8cbe38177cf41e83fe164e52eee |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |