| Name | CVE-2023-41909 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3573-1, DLA-3865-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| frr (PTS) | buster, buster (lts) | 7.5.1-1.1+deb10u3 | fixed |
| buster (security) | 7.5.1-1.1+deb10u2 | fixed |
| bullseye | 7.5.1-1.1+deb11u2 | vulnerable |
| bullseye (security) | 7.5.1-1.1+deb11u3 | fixed |
| bookworm (security), bookworm | 8.4.4-1.1~deb12u1 | fixed |
| trixie | 10.1.1-0.1 | fixed |
| sid | 10.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| frr | source | jessie | (unfixed) | end-of-life | | |
| frr | source | stretch | (unfixed) | end-of-life | | |
| frr | source | buster | 7.5.1-1.1+deb10u1 | | DLA-3573-1 | |
| frr | source | bullseye | 7.5.1-1.1+deb11u3 | | | |
| frr | source | (unstable) | 8.4.4-1 | | | |
Notes
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)