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CVE-2022-38177

Published: 21 September 2022

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.

Notes

AuthorNote
amurray
As of isc-dhcp-4.4.3-1, isc-dhcp vendors bind9 libs
mdeslaur
affects 9.8.4 -> 9.16.32
Priority

Medium

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 Not vulnerable
(1:9.18.1-1ubuntu1.1)
trusty
Released (1:9.9.5.dfsg-3ubuntu0.19+esm7)
upstream Needs triage

xenial
Released (1:9.10.3.dfsg.P4-8ubuntu1.19+esm3)
isc-dhcp
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)