Vulnerability Description
nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets, which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.20.2 |
References
- http://secunia.com/advisories/24492PatchVendor Advisory
- http://secunia.com/advisories/25228
- http://secunia.com/advisories/25288
- http://secunia.com/advisories/25392
- http://secunia.com/advisories/25961
- http://secunia.com/advisories/26620
- http://www.debian.org/security/2007/dsa-1289
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
- http://www.novell.com/linux/security/advisories/2007_43_kernel.html
- http://www.osvdb.org/33028
- http://www.redhat.com/support/errata/RHSA-2007-0347.html
- http://www.securityfocus.com/bid/23976
- http://www.ubuntu.com/usn/usn-464-1
FAQ
What is CVE-2007-1497?
CVE-2007-1497 is a vulnerability with a CVSS score of 5.0 (MEDIUM). nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets, which leaves the default value as IP_CT_ESTABLISHED and might allow remote ...
How severe is CVE-2007-1497?
CVE-2007-1497 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2007-1497?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.