CVE-2012-1191

medium

Published 2012-02-17 · Modified 2026-04-29

CVSS v3

—

CVSS v2

6.4

VIR risk

6.4

Description

The resolver in dnscache in Daniel J. Bernstein djbdns 1.05 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-1191

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`1:1.05-10`
debian	bullseye	fixed	`1:1.05-10`
debian	forky	fixed	`1:1.05-10`
debian	sid	fixed	`1:1.05-10`
debian	trixie	fixed	`1:1.05-10`

Application impact

Vendor	Product	Versions	Fixed
d.j.bernstein	djbdns	`1.05`

References

https://www.isc.org/files/imce/ghostdomain_camera.pdf
https://security-tracker.debian.org/tracker/CVE-2012-1191

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.