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CVE-2011-1922

UnknownEPSS 7.08%

Last modified

CVE-2011-1922 is a vulnerability of currently unknown severity. daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.. EPSS estimates a 7.08% chance of exploitation in the next 30 days.

Description

daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.

Metrics

EPSS Probability
7.08%

93.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NlnetlabsUnbound1.0.0
NlnetlabsUnbound1.0.1
NlnetlabsUnbound1.0.2
NlnetlabsUnbound1.1.0
NlnetlabsUnbound1.1.1
NlnetlabsUnbound1.2.0
NlnetlabsUnbound1.2.1
NlnetlabsUnbound1.3.0
NlnetlabsUnbound1.3.1
NlnetlabsUnbound1.3.2
NlnetlabsUnbound1.3.3
NlnetlabsUnbound1.3.4
NlnetlabsUnbound1.4.0
NlnetlabsUnbound1.4.1
NlnetlabsUnbound1.4.2
NlnetlabsUnbound1.4.3
NlnetlabsUnbound1.4.4
NlnetlabsUnbound1.4.5
NlnetlabsUnbound1.4.6
NlnetlabsUnbound1.4.7
NlnetlabsUnbound1.4.8
NlnetlabsUnbound1.4.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1922?
daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.
How severe is CVE-2011-1922?
Severity scoring for CVE-2011-1922 is pending analysis. The EPSS model estimates a 7.08% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1922?
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-2011-1922?

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

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Source: NVD / NIST