CVE-2017-5953

critical

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.

References

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/

Details

Source: MITRE

Published: 2017-02-10

Updated: 2019-06-11

Type: CWE-190

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL