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CVE-2012-1191

UnknownEPSS 1.90%

Last modified

CVE-2012-1191 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.90% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.90%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
D.J.BernsteinDjbdns1.05

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-1191?
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.
How severe is CVE-2012-1191?
Severity scoring for CVE-2012-1191 is pending analysis. The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.
How do I fix CVE-2012-1191?
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.

Are you affected by CVE-2012-1191?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST