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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42584 ↗
- http://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 ↗
- https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00156.html ↗
- http://securitytracker.com/id?1020081 ↗
- http://www.vupen.com/english/advisories/2008/1602 ↗
- https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00167.html ↗
- http://secunia.com/advisories/30348 ↗
- http://www.ipcop.org/index.php?name=News&file=article&sid=40 ↗
- http://www.securityfocus.com/bid/29327 ↗
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=701 ↗
- http://cvs.snort.org/viewcvs.cgi/snort/ChangeLog?rev=1.534.2.11 ↗
- https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00198.html ↗
- http://secunia.com/advisories/31204 ↗
- http://secunia.com/advisories/30563 ↗