CVE-2011-3188 - Self justifying Coondog

Description

The (1) IPv4 and (2) IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values which makes it easier for remote attackers to cause a denial of service (disrupted networking) or hijack network sessions by predicting these values and sending crafted packets.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=732658 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6e5714eaf77d79ae1c8b47e3e040ff5411b717ec https://github.com/torvalds/linux/commit/bc0b96b54a21246e377122d54569eef71cec535f http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bc0b96b54a21246e377122d54569eef71cec535f http://www.openwall.com/lists/oss-security/2011/08/23/2 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 https://github.com/torvalds/linux/commit/6e5714eaf77d79ae1c8b47e3e040ff5411b717ec http://marc.info/?l=bugtraq&m=139447903326211&w=2 https://support.f5.com/csp/article/K15301?utm_source=f5support&utm_medium=RSS

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.1