Vulnerability CVE-2017-6349
Published: 2017-02-27

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.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
VIM -> VIM 

 References:
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
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