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Debian DSA-357-1 : wu-ftpd - remote root exploit

critical Nessus Plugin ID 15194

Synopsis

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

Description

iSEC Security Research reports that wu-ftpd contains an off-by-one bug in the fb_realpath function which could be exploited by a logged-in user (local or anonymous) to gain root privileges. A demonstration exploit is reportedly available.

Solution

Upgrade the wu-ftpd package immediately.

For the current stable distribution (woody) this problem has been fixed in version 2.6.2-3woody1.

See Also

http://www.debian.org/security/2003/dsa-357

Plugin Details

Severity: Critical

ID: 15194

File Name: debian_DSA-357.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: Critical

Score: 9.2

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:wu-ftpd, 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: 7/31/2003

Vulnerability Publication Date: 7/31/2003

Reference Information

CVE: CVE-2003-0466

BID: 8315

DSA: 357