CVE-2017-5953 Information

Description

vim before patch 8.0.0322 does not properly validate values for tree length when handling a spell file which may result in an integer overflow at a memory allocation site and a resultant buffer overflow.

CVSS Vector

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

Reference

http://www.debian.org/security/2017/dsa-3786 http://www.securityfocus.com/bid/96217 https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d https://groups.google.com/forum/!topic/vim_dev/t-3RSdEnrHY https://security.gentoo.org/glsa/201706-26 https://usn.ubuntu.com/4016-1/ 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