CVE-2011-3363 - Lengthening Brother

Description

The setup_cifs_sb function in fs/cifs/connect.c in the Linux kernel before 2.6.39 does not properly handle DFS referrals which allows remote CIFS servers to cause a denial of service (system crash) by placing a referral at the root of a share.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2011/09/14/12 https://github.com/torvalds/linux/commit/70945643722ffeac779d2529a348f99567fa5c33 https://bugzilla.redhat.com/show_bug.cgi?id=738291 http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=70945643722ffeac779d2529a348f99567fa5c33

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5