FreeBSD : cvs -- Remote code execution via ssh command injection (d9fe59ea-1940-11e8-9eb8-5404a68ad561)

high Nessus Plugin ID 106996

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

Hank Leininger reports :

Bugs in Git, Subversion, and Mercurial were just announced and patched which allowed arbitrary local command execution if a malicious name was used for the remote server, such as starting with - to pass options to the ssh client : git clone ssh://-oProxyCommand=some-command... CVS has a similar problem with the -d option :

Tested vanilla CVS 1.12.13, and Gentoo CVS 1.12.12-r11.

Solution

Update the affected package.

Plugin Details

Severity: High

ID: 106996

File Name: freebsd_pkg_d9fe59ea194011e89eb85404a68ad561.nasl

Version: 3.2

Type: local

Family: FreeBSD Local Security Checks

Published: 2/26/2018

Updated: 11/10/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:cvs, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 2/24/2018

Vulnerability Publication Date: 8/10/2017

Reference Information

CVE: CVE-2017-12836

Detections

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