CVE-2022-38177

NameCVE-2022-38177
DescriptionBy 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5235-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bind9 (PTS)buster1:9.11.5.P4+dfsg-5.1+deb10u7vulnerable
buster (security)1:9.11.5.P4+dfsg-5.1+deb10u8vulnerable
bullseye1:9.16.27-1~deb11u1vulnerable
bullseye (security)1:9.16.33-1~deb11u1fixed
bookworm, sid1:9.18.7-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bind9sourcebullseye1:9.16.33-1~deb11u1DSA-5235-1
bind9source(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)

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