Strix
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CVE-2012-3817

UnknownEPSS 27.38%

Last modified

CVE-2012-3817 is a vulnerability of currently unknown severity. ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.. EPSS estimates a 27.38% chance of exploitation in the next 30 days.

Description

ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.

Metrics

EPSS Probability
27.38%

97.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
IscBind9.4—
IscBind9.4.0—
IscBind9.4.1—
IscBind9.4.2—
IscBind9.4.3—
IscBind9.5—
IscBind9.5.0—
IscBind9.5.1—
IscBind9.5.2—
IscBind9.5.3—
IscBind9.6.0—
IscBind9.6.1—
IscBind9.6.2—
IscBind9.6.3—
IscBind9.7.0—
IscBind9.7.1—
IscBind9.7.2—
IscBind9.7.3—
IscBind9.7.4—
IscBind9.7.5—
IscBind9.7.6—
IscBind9.8.0—
IscBind9.8.1—
IscBind9.8.2B1
IscBind9.8.3—
IscBind9.9.0—
IscBind9.9.1—
IscBind9.6—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-3817?
ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.
How severe is CVE-2012-3817?
Severity scoring for CVE-2012-3817 is pending analysis. The EPSS model estimates a 27.38% probability of exploitation in the next 30 days.
How do I fix CVE-2012-3817?
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-2012-3817?

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

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Source: NVD / NIST