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Debian DLA-997-1 : libffi security update (Stack Clash)

high Nessus Plugin ID 100966

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Synopsis

The remote Debian host is missing a security update.

Description

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.

For Debian 7 'Wheezy', these problems have been fixed in version 3.0.10-3+deb7u1.

We recommend that you upgrade your libffi packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2017/06/msg00026.html

https://packages.debian.org/source/wheezy/libffi

Plugin Details

Severity: High

ID: 100966

File Name: debian_DLA-997.nasl

Version: 3.13

Type: local

Agent: unix

Published: 6/22/2017

Updated: 1/11/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:lib64ffi-dev, cpe:/o:debian:debian_linux:7.0, p-cpe:/a:debian:debian_linux:libffi-dev, p-cpe:/a:debian:debian_linux:lib64ffi5, p-cpe:/a:debian:debian_linux:lib32ffi-dev, p-cpe:/a:debian:debian_linux:libn32ffi5, p-cpe:/a:debian:debian_linux:lib32ffi5, p-cpe:/a:debian:debian_linux:libffi5-udeb, p-cpe:/a:debian:debian_linux:libffi5, p-cpe:/a:debian:debian_linux:libn32ffi-dev, p-cpe:/a:debian:debian_linux:libffi5-dbg

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/21/2017

Reference Information

CVE: CVE-2017-1000376