Home/CVE/The resolver in Unbound before 1.4.11 overwrites cached server names and TTL values in NS records during the processing
CVE

CVE-2012-1192

The resolver in Unbound before 1.4.11 overwrites cached server names and TTL values in NS records during the processing

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.

MEDIUM · CVSS 6.4 EPSS 0.00627
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0

Affected Products & Versions

2
unbound<= 1.4.10
unboundall versions

Scoring & Timeline

6.4
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:P/A:P
Published to NVD17 Feb 2012 · 10:55 PM
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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