CVE-2007-1497

Linux kernel <2.6.20.3 - Info Disclosure

Title source: llm

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.

References (17)

[Patch, Vendor Advisory] http://secunia.com/advisories/24492

[Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3

[Vendor Advisory] http://www.mandriva.com/security/advisories?name=MDKSA-2007:171

[Vendor Advisory] http://www.mandriva.com/security/advisories?name=MDKSA-2007:196

[Third Party Advisory, VDB Entry] http://www.osvdb.org/33028

[Vendor Advisory] http://www.redhat.com/support/errata/RHSA-2007-0347.html

[Vendor Advisory] http://www.ubuntu.com/usn/usn-464-1

[Vendor Advisory] http://www.novell.com/linux/security/advisories/2007_43_kernel.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/23976

[Third Party Advisory] http://www.debian.org/security/2007/dsa-1289

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457

[Third Party Advisory] http://secunia.com/advisories/25228

[Third Party Advisory] http://secunia.com/advisories/25288

[Third Party Advisory] http://secunia.com/advisories/25392

[Third Party Advisory] http://secunia.com/advisories/25961

[Third Party Advisory] http://secunia.com/advisories/26620

[Third Party Advisory] http://www.vupen.com/english/advisories/2007/0944

Scores

EPSS 0.0202

EPSS Percentile 83.5%

Classification

Status draft

Affected Products (1)

linux/linux_kernel < 2.6.20.2

Timeline

Published Mar 16, 2007

Tracked Since Feb 18, 2026