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CVE-2022-38178

Published: 21 September 2022

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.

Notes

AuthorNote
amurray
As of isc-dhcp-4.4.3-1, isc-dhcp vendors bind9 libs
leosilva
versions affected: 9.9.12 - 9.9.13, 9.10.7 - 9.10.8,
9.18.0 - 9.18.6, 9.19.0 - 9.19.4.
Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
bind9
Launchpad, Ubuntu, Debian
bionic
Released (1:9.11.3+dfsg-1ubuntu1.18)
focal
Released (1:9.16.1-0ubuntu2.11)
jammy
Released (1:9.18.1-1ubuntu1.2)
kinetic
Released (1:9.18.4-2ubuntu2)
trusty Not vulnerable

upstream Needs triage

xenial Not vulnerable

isc-dhcp
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not compiled)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)