Description (CNA)
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."
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
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
ADP enrichment
No English description supplied.
- 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