Debian DLA-160-1 : sudo security update

low Nessus Plugin ID 82144
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Synopsis

The remote Debian host is missing a security update.

Description

This update fixes the CVEs described below.

CVE-2014-0106

Todd C. Miller reported that if the env_reset option is disabled in the sudoers file, the env_delete option is not correctly applied to environment variables specified on the command line. A malicious user with sudo permissions may be able to run arbitrary commands with elevated privileges by manipulating the environment of a command the user is legitimately allowed to run.

CVE-2014-9680

Jakub Wilk reported that sudo preserves the TZ variable from a user's environment without any sanitization. A user with sudo access may take advantage of this to exploit bugs in the C library functions which parse the TZ environment variable or to open files that the user would not otherwise be able to open. The latter could potentially cause changes in system behavior when reading certain device special files or cause the program run via sudo to block.

For the oldstable distribution (squeeze), these problems have been fixed in version 1.7.4p4-2.squeeze.5.

For the stable distribution (wheezy), they have been fixed in version 1.8.5p2-1+nmu2.

We recommend that you upgrade your sudo 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 sudo, and sudo-ldap packages.

See Also

https://lists.debian.org/debian-lts-announce/2015/02/msg00014.html

https://packages.debian.org/source/squeeze-lts/sudo

Plugin Details

Severity: Low

ID: 82144

File Name: debian_DLA-160.nasl

Version: 1.8

Type: local

Agent: unix

Published: 3/26/2015

Updated: 1/11/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.5

Vector: AV:L/AC:M/Au:S/C:C/I:C/A:C

Temporal Vector: E:F/RL:OF/RC:C

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 3.1

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

Temporal Vector: E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:sudo, p-cpe:/a:debian:debian_linux:sudo-ldap, cpe:/o:debian:debian_linux:6.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/27/2015

Exploitable With

Core Impact

Reference Information

CVE: CVE-2014-0106, CVE-2014-9680

BID: 65997, 72649