CVE-2023-41909
Published: 5 September 2023
An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.
Notes
| Author | Note |
|---|---|
| sbeattie | the quagga project was renamed to frr |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
frr Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of standard support)
|
| focal |
Released
(7.2.1-1ubuntu0.2+esm1)
Available with Ubuntu Pro |
|
| jammy |
Released
(8.1-1ubuntu1.6)
|
|
| lunar |
Released
(8.4.2-1ubuntu1.4)
|
|
| mantic |
Not vulnerable
(8.4.4-1.1ubuntu1)
|
|
| noble |
Not vulnerable
(8.4.4-1.1ubuntu1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(8.4.4-1)
|
|
| xenial |
Ignored
(end of standard support)
|
|
|
quagga Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Not vulnerable
(code not present)
|
|
| jammy |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://github.com/FRRouting/frr/commit/cfd04dcb3e689754a72507d086ba3b9709fc5ed8 (frr-9.0)
- https://github.com/FRRouting/frr/commit/cc1a551cb007cc8ed8b1ea0605a7ab46c16de12b (frr-8.5.1)
- https://github.com/FRRouting/frr/commit/0a12b878082f77b67ad5d9b4782846ac738575a2 (frr-8.4.4)
- https://github.com/FRRouting/frr/pull/13222/commits/cfd04dcb3e689754a72507d086ba3b9709fc5ed8
- https://ubuntu.com/security/notices/USN-6436-1
- https://www.cve.org/CVERecord?id=CVE-2023-41909
- NVD
- Launchpad
- Debian