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CVE-2017-1000376

Published: 19 June 2017

libffi requests an executable stack allowing attackers to more easily trigger arbitrary code execution by overwriting the stack. Please note that libffi is used by a number of other libraries. It was previously stated that this affects libffi version 3.2.1 but this appears to be incorrect. libffi prior to version 3.1 on 32 bit x86 systems was vulnerable, and upstream is believed to have fixed this issue in version 3.1.

Priority

Medium

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
libffi
Launchpad, Ubuntu, Debian
artful Not vulnerable
(3.2.1-6)
trusty
Released (3.1~rc1+r3.0.13-12ubuntu0.2)
upstream
Released (3.2.1-4)
xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable

Patches:
upstream: https://github.com/libffi/libffi/commit/978c9540154d320525488db1b7049277122f736d

Severity score breakdown

Parameter Value
Base score 7.0
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H