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Debian DSA-024-1 : cron - local insecure crontab handling

low Nessus Plugin ID 14861

Synopsis

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

Description

The FreeBSD team has found a bug in the way new crontabs were handled which allowed malicious users to display arbitrary crontab files on the local system. This only affects valid crontab files so it can't be used to get access to /etc/shadow or something. crontab files are not especially secure anyway, as there are other ways they can leak. No passwords or similar sensitive data should be in there. We recommend you upgrade your cron packages.

Solution

Upgrade the affected cron package.

See Also

http://www.debian.org/security/2001/dsa-024

Plugin Details

Severity: Low

ID: 14861

File Name: debian_DSA-024.nasl

Version: 1.20

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: Low

Score: 3.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/27/2001

Vulnerability Publication Date: 1/23/2001

Reference Information

CVE: CVE-2001-0235

BID: 2332

DSA: 024