Integer overflow in Vim
CVE-2017-5953
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.028 (86.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201706-26 (vendor-advisory)
- www.securityfocus.com/bid/96217 (vdb-entry)
- www.debian.org/security/2017/dsa-3786 (vendor-advisory)
- github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d (Patch, Vendor Advisory)
- groups.google.com/forum/
- usn.ubuntu.com/4016-1/ (vendor-advisory)
- usn.ubuntu.com/4309-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2017-5953?
- CVE-2017-5953 is a critical-severity vulnerability in Vim, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2017-02-10.
- How severe is CVE-2017-5953?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-5953 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.