CVE-2017-6349 Information

Description

An integer overflow at a u_read_undo memory allocation site would occur for vim before patch 8.0.0377 if it does not properly validate values for tree length when reading a corrupted undo file which may lead to resultant buffer overflows.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/96451 http://www.securitytracker.com/id/1037949 https://github.com/vim/vim/commit/3eb1637b1bba19519885dd6d377bd5596e91d22c https://groups.google.com/forum/!topic/vim_dev/LAgsTcdSfNA https://groups.google.com/forum/!topic/vim_dev/QPZc0CY9j3Y https://security.gentoo.org/glsa/201706-26 https://usn.ubuntu.com/4309-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8