CVE-2008-1804

Description

preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.

Affected packages (2)

• Debian/snortfrom 0, < 2.7.0-20
• Debian/snortfrom 0, < 2.7.0-19+lenny1

References (15)

• ADVISORYhttp://secunia.com/advisories/30348
• ADVISORYhttp://secunia.com/advisories/30563
• ADVISORYhttp://secunia.com/advisories/31204
• ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2008-1804
• ADVISORYhttp://www.vupen.com/english/advisories/2008/1602
• WEBhttp://cvs.snort.org/viewcvs.cgi/snort/ChangeLog?rev=1.534.2.11
• WEBhttp://cvs.snort.org/viewcvs.cgi/snort/src/preprocessors/spp_frag3.c.diff?r1=text&tr1=1.46.2.4&r2=text&tr2=1.46.2.5&diff_format=h
• WEBhttp://labs.idefense.com/intelligence/vulnerabilities/display.php?id=701
• WEBhttp://securitytracker.com/id?1020081
• WEBhttps://exchange.xforce.ibmcloud.com/vulnerabilities/42584
• WEBhttps://www.redhat.com/archives/fedora-package-announce/2008-June/msg00156.html
• WEBhttps://www.redhat.com/archives/fedora-package-announce/2008-June/msg00167.html
• WEBhttps://www.redhat.com/archives/fedora-package-announce/2008-June/msg00198.html
• WEBhttp://www.ipcop.org/index.php?name=News&file=article&sid=40
• WEBhttp://www.securityfocus.com/bid/29327