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CVE-2017-6349

Date: February 27, 2017

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.

Language: C

Severity Score

Related Resources (12)

https://usn.ubuntu.com/4309-1/
https://security-tracker.debian.org/tracker/CVE-2017-6349
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-6349
https://security.gentoo.org/glsa/201706-26
http://www.securitytracker.com/id/1037949
https://groups.google.com/forum/#%21topic/vim_dev/LAgsTcdSfNA
https://github.com/vim/vim/commit/3eb1637b1bba19519885dd6d377bd5596e91d22c
https://groups.google.com/forum/#%21topic/vim_dev/QPZc0CY9j3Y
https://nvd.nist.gov/vuln/detail/CVE-2017-6349
http://www.securityfocus.com/bid/96451
https://security.alpinelinux.org/vuln/CVE-2017-6349
https://www.mend.io/vulnerability-database/CVE-2017-6349

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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