| Name | CVE-2022-38177 |
| Description | By spoofing the target resolver with responses that have a malformed ECDSA 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) | bullseye | 1:9.16.50-1~deb11u2 | fixed |
| bullseye (security) | 1:9.16.50-1~deb11u3 | fixed |
| bookworm, bookworm (security) | 1:9.18.33-1~deb12u2 | fixed |
| sid, trixie | 1:9.20.8-6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| 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) | 1:9.17.20-1 | | | |
Notes
https://kb.isc.org/docs/cve-2022-38177
Fixed by (while refactoring): https://gitlab.isc.org/isc-projects/bind9/-/commit/d4eb6e0a57a7eeb42328ff66865fa66688603c17 (v9_17_20)
Fixed by: https://gitlab.isc.org/isc-projects/bind9/-/commit/5b2282afff760b1ed3471f6666bdfe8e1d34e590 (v9_16_33)