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Debian DSA-969-1 : scponly - design error

high Nessus Plugin ID 22835

Synopsis

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

Description

Max Vozeler discovered a vulnerability in scponly, a utility to restrict user commands to scp and sftp, that could lead to the execution of arbitrary commands as root. The system is only vulnerable if the program scponlyc is installed setuid root and if regular users have shell access to the machine.

Solution

Upgrade the scponly package.

The old stable distribution (woody) does not contain an scponly package.

For the stable distribution (sarge) this problem has been fixed in version 4.0-1sarge1.

See Also

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=344418

http://www.debian.org/security/2006/dsa-969

Plugin Details

Severity: High

ID: 22835

File Name: debian_DSA-969.nasl

Version: 1.18

Type: local

Agent: unix

Published: 10/14/2006

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:scponly, cpe:/o:debian:debian_linux:3.1

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

Patch Publication Date: 2/13/2006

Vulnerability Publication Date: 12/21/2005

Reference Information

CVE: CVE-2005-4532, CVE-2005-4533

DSA: 969