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Debian DSA-295-1 : pptpd - buffer overflow

high Nessus Plugin ID 15132

Synopsis

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

Description

Timo Sirainen discovered a vulnerability in pptpd, a Point to Point Tunneling Server, which implements PPTP-over-IPSEC and is commonly used to create Virtual Private Networks (VPN). By specifying a small packet length an attacker is able to overflow a buffer and execute code under the user id that runs pptpd, probably root. An exploit for this problem is already circulating.

Solution

Upgrade the pptpd package immediately.

For the stable distribution (woody) this problem has been fixed in version 1.1.2-1.4.

For the old stable distribution (potato) this problem has been fixed in version 1.0.0-4.2.

See Also

http://www.debian.org/security/2003/dsa-295

Plugin Details

Severity: High

ID: 15132

File Name: debian_DSA-295.nasl

Version: 1.22

Type: local

Agent: unix

Published: 9/29/2004

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:pptpd, cpe:/o:debian:debian_linux:2.2, cpe:/o:debian:debian_linux:3.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/30/2003

Vulnerability Publication Date: 4/9/2003

Exploitable With

Metasploit (Poptop Negative Read Overflow)

Reference Information

CVE: CVE-2003-0213

BID: 7316

DSA: 295