Vulnerability Monitor

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CVE-2007-1497

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.

Published

2007-03-16T22:19:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.6.20.2	Yes

References

http://secunia.com/advisories/24492 Patch, Vendor Advisory ([email protected])
http://secunia.com/advisories/25228 ([email protected])
http://secunia.com/advisories/25288 ([email protected])
http://secunia.com/advisories/25392 ([email protected])
http://secunia.com/advisories/25961 ([email protected])
http://secunia.com/advisories/26620 ([email protected])
http://www.debian.org/security/2007/dsa-1289 ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3 ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171 ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2007:196 ([email protected])
http://www.novell.com/linux/security/advisories/2007_43_kernel.html ([email protected])
http://www.osvdb.org/33028 ([email protected])
http://www.redhat.com/support/errata/RHSA-2007-0347.html ([email protected])
http://www.securityfocus.com/bid/23976 ([email protected])
http://www.ubuntu.com/usn/usn-464-1 ([email protected])
http://www.vupen.com/english/advisories/2007/0944 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457 ([email protected])
http://secunia.com/advisories/24492 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/25228 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/25288 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/25392 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/25961 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/26620 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2007/dsa-1289 (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:196 (af854a3a-2127-422b-91ae-364da2661108)
http://www.novell.com/linux/security/advisories/2007_43_kernel.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/33028 (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2007-0347.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/23976 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/usn-464-1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2007/0944 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457 (af854a3a-2127-422b-91ae-364da2661108)