Debian DSA-2232-1 : exim4 - format string vulnerability

high Nessus Plugin ID 53833

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Synopsis

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

Description

It was discovered that Exim, the default mail transport agent in Debian, uses DKIM data obtain from DNS directly in a format string, potentially allowing malicious mail senders to execute arbitrary code.
(CVE-2011-1764 )

The oldstable distribution (lenny) is not affected by this problem because it does not contain DKIM support.

Solution

Upgrade the exim4 packages.

For the stable distribution (squeeze), this problem has been fixed in version 4.72-6+squeeze1.

Plugin Details

Severity: High

ID: 53833

File Name: debian_DSA-2232.nasl

Version: 1.13

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 5/9/2011

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:exim4, cpe:/o:debian:debian_linux:6.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/6/2011

Reference Information

CVE: CVE-2011-1764

BID: 47736

DSA: 2232

Detections

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