VulnerabilityModified
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…
MEDIUM 5.0EPSS 2.39%
Does this matter?
Lower severity and a low EPSS score (2.39%). Track it; it rarely justifies an emergency change on its own.
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."
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 2.39% probability · 83th percentile
- CISA KEV
- Not listed
- Affected
- snort/snort
- Source
- cve@mitre.org
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.pdfVendor Advisory
- http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdfVendor Advisory
- 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.pdfVendor Advisory
- http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdfVendor Advisory
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.