Vulnerability Details 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."
Exploit prediction scoring system (EPSS) score
EPSS Score 0.035
EPSS Ranking 87.0%
CVSS Severity
CVSS v2 Score 5.0
References
- http://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html
- http://secunia.com/advisories/23716
- http://secunia.com/advisories/24164
- http://secunia.com/advisories/24338
- http://security.gentoo.org/glsa/glsa-200702-03.xml
- http://securitytracker.com/id?1017508
- http://www.acsac.org/2006/abstracts/54.html
- http://www.acsac.org/2006/advance_program.html
- http://www.acsac.org/2006/papers/54.pdf
- http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdf
- http://www.cs.wisc.edu/~smithr/pubs/randy_smith_acsac2006.zip
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:051
- http://www.osvdb.org/32096
- http://www.securityfocus.com/bid/21991
- http://www.snort.org/pub-bin/snortnews.cgi
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31430
- http://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html
- http://secunia.com/advisories/23716
- http://secunia.com/advisories/24164
- http://secunia.com/advisories/24338
- http://security.gentoo.org/glsa/glsa-200702-03.xml
- http://securitytracker.com/id?1017508
- http://www.acsac.org/2006/abstracts/54.html
- http://www.acsac.org/2006/advance_program.html
- http://www.acsac.org/2006/papers/54.pdf
- http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdf
- http://www.cs.wisc.edu/~smithr/pubs/randy_smith_acsac2006.zip
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:051
- http://www.osvdb.org/32096
- http://www.securityfocus.com/bid/21991
- http://www.snort.org/pub-bin/snortnews.cgi
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31430
Products affected by CVE-2006-6931
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cpe:2.3:a:snort:snort:-
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cpe:2.3:a:snort:snort:1.6
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cpe:2.3:a:snort:snort:1.8.0
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cpe:2.3:a:snort:snort:1.8.1
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cpe:2.3:a:snort:snort:1.8.2
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cpe:2.3:a:snort:snort:1.8.3
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cpe:2.3:a:snort:snort:1.8.4
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cpe:2.3:a:snort:snort:1.8.5
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cpe:2.3:a:snort:snort:1.8.6
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cpe:2.3:a:snort:snort:1.8.7
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cpe:2.3:a:snort:snort:1.9.0
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cpe:2.3:a:snort:snort:1.9.1
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cpe:2.3:a:snort:snort:2.0
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cpe:2.3:a:snort:snort:2.6.1
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cpe:2.3:a:snort:snort:2.6.1.1
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cpe:2.3:a:snort:snort:2.6.1.2
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cpe:2.3:a:snort:snort:2.6.2