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Debian DSA-102-2 : at - daemon exploit

high Nessus Plugin ID 14939

Synopsis

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

Description

zen-parse found a bug in the current implementation of at which leads into a heap corruption vulnerability which in turn could potentially lead into an exploit of the daemon user.

Solution

Upgrade the at packages.

Unfortunately, the bugfix from DSA 102-1 wasn't propagated properly due to a packaging bug. While the file parsetime.y was fixed, and yy.tab.c should be generated from it, yy.tab.c from the original source was still used. This has been fixed in DSA-102-2.

See Also

http://www.debian.org/security/2002/dsa-102

Plugin Details

Severity: High

ID: 14939

File Name: debian_DSA-102.nasl

Version: 1.17

Type: local

Agent: unix

Published: 9/29/2004

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:at, cpe:/o:debian:debian_linux:2.2

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

Patch Publication Date: 1/16/2002

Reference Information

CVE: CVE-2002-0004

DSA: 102