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Status published
Medium
CVE-2006-6931
Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation...
Vulnerability 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."
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securityfocus.com/bid/21991
- http://www.cs.wisc.edu/~smithr/pubs/randy_smith_acsac2006.zip
- http://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html
- http://secunia.com/advisories/24164
- http://secunia.com/advisories/24338
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31430
- http://www.osvdb.org/32096
- http://secunia.com/advisories/23716
- http://securitytracker.com/id?1017508
- http://security.gentoo.org/glsa/glsa-200702-03.xml
- http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdf
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:051
- http://www.acsac.org/2006/advance_program.html
- http://www.acsac.org/2006/papers/54.pdf
- http://www.acsac.org/2006/abstracts/54.html
- http://www.snort.org/pub-bin/snortnews.cgi
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Affected Vendor
snort
View all reports →Affected Software
snort
Vulnerable Versions:
0
Timeline
Official Publish:
January 16th, 2007
Last Modified:
August 7th, 2024
Added to House:
July 18th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.