Integer overflow in Vim
CVE-2017-6349
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.
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: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201706-26 (vendor-advisory)
- www.securitytracker.com/id/1037949 (vdb-entry)
- github.com/vim/vim/commit/3eb1637b1bba19519885dd6d377bd5596e91d22c (Patch, Third Party Advisory)
- www.securityfocus.com/bid/96451 (vdb-entry)
- groups.google.com/forum/
- groups.google.com/forum/
- usn.ubuntu.com/4309-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2017-6349?
- CVE-2017-6349 is a critical-severity vulnerability in Vim, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2017-02-27.
- How severe is CVE-2017-6349?
- Critical severity. CVSS v3 base score is 9.8 out of 10.