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CVE-2012-1192

UnknownEPSS 1.43%

Last modified

CVE-2012-1192 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.43%

69.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
UnboundUnbound<= 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

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 continued resolvability of revoked domain names via a "ghost domain names" attack.
How severe is CVE-2012-1192?
Severity scoring for CVE-2012-1192 is pending analysis. The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.
How do I fix CVE-2012-1192?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST