VUPEN Security - Linux Kernel Fragmented IPv6 Packets Handling Security Bypass Vulnerability / Exploit (Security Advisories)

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>> Linux Kernel Fragmented IPv6 Packets Handling Security Bypass Vulnerability

Title : Linux Kernel Fragmented IPv6 Packets Handling Security Bypass Vulnerability
Advisory ID : VUPEN/ADV-2006-4386
CVE ID : CVE-2006-4572
Rated as : Moderate Risk

Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-11-07

Advisory Details

Description

Affected Products

Solution

References

Technical Description

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A vulnerability has been identified in Linux Kernel, which could be exploited by attackers to bypass security restrictions. This flaw is due to errors in the Netfliter functions "ip6_packet_match()" and "match()" that fail to properly validate fragmented IPv6 packets, which could be exploited by remote attackers to bypass certain filtering rules via a specially crafted packet.

Credits

Vulnerability reported by Mark Dowd (McAfee)

ChangeLog

2006-11-07 : Initial release

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