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CVE-2006-6931

UnknownEPSS 2.31%

Last modified

CVE-2006-6931 is a vulnerability of currently unknown severity. Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a "backtracking attack.". EPSS estimates a 2.31% chance of exploitation in the next 30 days.

Description

Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a "backtracking attack."

Metrics

EPSS Probability
2.31%

81.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
SnortSnort<= 2.6.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2006-6931?
Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a "backtracking attack."
How severe is CVE-2006-6931?
Severity scoring for CVE-2006-6931 is pending analysis. The EPSS model estimates a 2.31% probability of exploitation in the next 30 days.
How do I fix CVE-2006-6931?
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-2006-6931?

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

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Source: NVD / NIST