VIR Vulnerability Intelligence Relay

CVE-2012-1192

medium
Published 2012-02-17 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
6.4

Description

The resolver in Unbound before 1.4.11 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

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
unboundunbound{"endIncluding":"1.4.10"}
unboundunbound0.0
unboundunbound0.1
unboundunbound0.2
unboundunbound0.3
unboundunbound0.4
unboundunbound0.5
unboundunbound0.6
unboundunbound0.7
unboundunbound0.7.1
unboundunbound0.7.2
unboundunbound0.8
unboundunbound0.9
unboundunbound0.10
unboundunbound0.11
unboundunbound1.0.0
unboundunbound1.0.1
unboundunbound1.0.2
unboundunbound1.1.0
unboundunbound1.1.1
unboundunbound1.2.0
unboundunbound1.2.1
unboundunbound1.3.0
unboundunbound1.3.1
unboundunbound1.3.2
unboundunbound1.3.3
unboundunbound1.3.4
unboundunbound1.4.0
unboundunbound1.4.1
unboundunbound1.4.2
unboundunbound1.4.3
unboundunbound1.4.4
unboundunbound1.4.5
unboundunbound1.4.6
unboundunbound1.4.7
unboundunbound1.4.8
unboundunbound1.4.9

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

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