1. CVE-Search
  2. CVE-2006-6931
ID CVE-2006-6931
Summary 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."
References
Vulnerable Configurations
  • cpe:2.3:a:snort:snort:-:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:-:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.6:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.6:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.8.2:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.8.2:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.8.3:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.8.3:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.8.4:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.8.4:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.8.6:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.8.6:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.8.7:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.8.7:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:1.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:1.9.1:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:2.0:beta:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:2.0:beta:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:2.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:2.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:2.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:2.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:2.6.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:2.6.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:2.6.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:2.6.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:snort:snort:2.6.2:*:*:*:*:*:*:*
    cpe:2.3:a:snort:snort:2.6.2:*:*:*:*:*:*:*
CVSS
Base: 5.0 (as of 29-07-2017 - 01:29)
Impact:
Exploitability:
CWE NVD-CWE-Other
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:P
refmap via4
bid 21991
confirm http://www.snort.org/pub-bin/snortnews.cgi
gentoo GLSA-200702-03
mandriva MDKSA-2007:051
misc
mlist [dailydave] 20070110 Algorithmic Bugs
osvdb 32096
sectrack 1017508
secunia
  • 23716
  • 24164
  • 24338
xf snort-rule-matching-dos(31430)
Last major update 29-07-2017 - 01:29
Published 16-01-2007 - 23:28
Last modified 29-07-2017 - 01:29
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