| Name | CVE-2022-38178 |
| Description | By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources. |
| 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-3138-1, DSA-5235-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bind9 (PTS) | jessie, jessie (lts) | 1:9.9.5.dfsg-9+deb8u31 | fixed |
| stretch (security) | 1:9.10.3.dfsg.P4-12.3+deb9u12 | fixed |
| stretch (lts), stretch | 1:9.10.3.dfsg.P4-12.3+deb9u16 | fixed |
| buster, buster (lts) | 1:9.11.5.P4+dfsg-5.1+deb10u13 | fixed |
| buster (security) | 1:9.11.5.P4+dfsg-5.1+deb10u11 | fixed |
| bullseye | 1:9.16.50-1~deb11u2 | fixed |
| bullseye (security) | 1:9.16.50-1~deb11u1 | fixed |
| bookworm (security), bookworm | 1:9.18.28-1~deb12u2 | fixed |
| sid, trixie | 1:9.20.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| bind9 | source | jessie | (not affected) | | | |
| bind9 | source | stretch | (not affected) | | | |
| bind9 | source | buster | 1:9.11.5.P4+dfsg-5.1+deb10u8 | | DLA-3138-1 | |
| bind9 | source | bullseye | 1:9.16.33-1~deb11u1 | | DSA-5235-1 | |
| bind9 | source | (unstable) | 1:9.18.7-1 | | | |
Notes
https://kb.isc.org/docs/cve-2022-38178
Fixed by: https://gitlab.isc.org/isc-projects/bind9/-/commit/7c0028cfad2ae5fdf82c4d02d3b8b3a1e96dc6ec (v9_18_7)
Fixed by: https://gitlab.isc.org/isc-projects/bind9/-/commit/1af23378ebb11da2eb0f412e4563d6c4165fbd3d (v9_16_33)
[stretch] - bind9 <not-affected> (Ed25519 support introduced later)
[jessie] - bind9 <not-affected> (Ed25519 support introduced later)