Vulnerability Assessment & Network Security Forums



If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200702-03] Snort: Denial of Service


Vulnerability Assessment Details

[GLSA-200702-03] Snort: Denial of Service

Vulnerability Assessment Summary
Snort: Denial of Service

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200702-03
(Snort: Denial of Service)


Randy Smith, Christian Estan and Somesh Jha discovered that the rule
matching algorithm of Snort can be exploited in a way known as a
"backtracking attack" to perform numerous time-consuming operations.

Impact

A remote attacker could send specially crafted network packets, which
would result in the cessation of the detections and the consumption of
the CPU resources.

Workaround

There is no known workaround at this time.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6931


Solution:
All Snort users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/snort-2.6.1.2"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2007 Michel Arboi

Cables, Connectors

Lenovo y500 y400 SLI GT650M Video Card GN36 GT650M GT 650M 650 M GN 36 Laptop
$159.99
Lenovo y500 y400 SLI GT650M Video Card GN36 GT650M  GT 650M 650 M  GN 36 Laptop pictureLenovo ThinkPad P50 HDD Hard disk drive cable SSD HDD bay- Left DC02C007B10
$12.0
Lenovo ThinkPad P50 HDD Hard disk drive cable SSD HDD bay- Left DC02C007B10 pictureOriginal 45N1138 45N1139 45N1140 45N1141 Battery For Lenovo ThinkPad S440 V4400u
$55.89
Original 45N1138 45N1139 45N1140 45N1141 Battery For Lenovo ThinkPad S440 V4400u pictureLenovo Thinkpad 14” 1.90GHz Intel Core i5 4GB RAM 320GB HD Windows 10 Pro
$250.0
Lenovo Thinkpad 14” 1.90GHz Intel Core i5 4GB RAM 320GB HD Windows 10 Pro picture


Discussions

No Discussions have been posted on this vulnerability.