| Name | CVE-2024-43168 |
| Description | A heap-buffer-overflow flaw was found in the cfg_mark_ports function within Unbound's config_file.c, which can lead to memory corruption. This issue could allow an attacker with local access to provide specially crafted input, potentially causing the application to crash or allowing arbitrary code execution. This could result in a denial of service or unauthorized actions on the system. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| unbound (PTS) | jessie, jessie (lts) | 1.4.22-3+deb8u4 | vulnerable |
| stretch | 1.6.0-3+deb9u2 | vulnerable | |
| buster (security), buster, buster (lts) | 1.9.0-2+deb10u4 | vulnerable | |
| bullseye (security), bullseye | 1.13.1-1+deb11u2 | vulnerable | |
| bookworm (security), bookworm | 1.17.1-2+deb12u2 | vulnerable | |
| sid, trixie | 1.20.0-1 | fixed | |
| unbound1.9 (PTS) | stretch (security) | 1.9.0-2+deb10u2~deb9u2 | vulnerable |
| stretch (lts), stretch | 1.9.0-2+deb10u2~deb9u4 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| unbound | source | jessie | (unfixed) | end-of-life | ||
| unbound | source | stretch | (unfixed) | end-of-life | ||
| unbound | source | (unstable) | 1.20.0-1 | |||
| unbound1.9 | source | (unstable) | (unfixed) |
https://bugzilla.redhat.com/show_bug.cgi?id=2303462
https://github.com/NLnetLabs/unbound/issues/1039
https://github.com/NLnetLabs/unbound/pull/1040
Fixed by: https://github.com/NLnetLabs/unbound/commit/193401e7543a1e561dd634a3eaae932fa462a2b9 (release-1.20.0rc1)