MEDIUM · 6.4

CVE-2012-1192

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 con...

Vulnerability 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.

CVSS Score

6.4

MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:P
Confidentiality
NONE
Integrity
PARTIAL
Availability
PARTIAL

Affected Products

VendorProductVersions
UnboundUnbound<= 1.4.10

References

FAQ

What is CVE-2012-1192?

CVE-2012-1192 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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 con...

How severe is CVE-2012-1192?

CVE-2012-1192 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2012-1192?

Check the references section above for vendor advisories and patch information. Affected products include: Unbound Unbound.