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Debian DSA-363-1 : postfix - denial of service, bounce-scanning

medium Nessus Plugin ID 15200

Synopsis

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

Description

The postfix mail transport agent in Debian 3.0 contains two vulnerabilities :

 - CAN-2003-0468: Postfix would allow an attacker to bounce-scan private networks or use the daemon as a DDoS tool by forcing the daemon to connect to an arbitrary service at an arbitrary IP address and either receiving a bounce message or observing queue operations to infer the status of the delivery attempt.
 - CAN-2003-0540: a malformed envelope address can 1) cause the queue manager to lock up until an entry is removed from the queue and 2) lock up the smtp listener leading to a denial of service.

Solution

For the current stable distribution (woody) these problems have been fixed in version 1.1.11-0.woody3.


We recommend that you update your postfix package.

See Also

http://www.debian.org/security/2003/dsa-363

Plugin Details

Severity: Medium

ID: 15200

File Name: debian_DSA-363.nasl

Version: 1.21

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: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:postfix, cpe:/o:debian:debian_linux:3.0

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

Patch Publication Date: 8/3/2003

Vulnerability Publication Date: 8/3/2003

Reference Information

CVE: CVE-2003-0468, CVE-2003-0540

DSA: 363