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Debian DLA-392-1 : roundcube security update

high Nessus Plugin ID 87976

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Synopsis

The remote Debian host is missing a security update.

Description

High-Tech Bridge Security Research Lab discovered a path traversal vulnerability in a popular webmail client Roundcube. Vulnerability can be exploited to gain access to sensitive information and under certain circumstances to execute arbitrary code and totally compromise the vulnerable server.

The vulnerability exists due to insufficient sanitization of '_skin' HTTP POST parameter in '/index.php' script when changing between different skins of the web application. A remote authenticated attacker can use path traversal sequences (e.g. '../../') to load a new skin from arbitrary location on the system, readable by the webserver.

(sorry for first uploading a package with a wrong version 0.3.1-6+dab6u1)

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/2016/01/msg00016.html

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

Plugin Details

Severity: High

ID: 87976

File Name: debian_DLA-392.nasl

Version: 2.11

Type: local

Agent: unix

Published: 1/19/2016

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.7

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:roundcube, p-cpe:/a:debian:debian_linux:roundcube-core, p-cpe:/a:debian:debian_linux:roundcube-mysql, p-cpe:/a:debian:debian_linux:roundcube-pgsql, p-cpe:/a:debian:debian_linux:roundcube-sqlite, 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: 1/17/2016

Reference Information

CVE: CVE-2015-8770