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RHEL 4 / 5 / 6 : vsftpd (RHSA-2011:0337)

medium Nessus Plugin ID 52608

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An updated vsftpd package that fixes one security issue is now available for Red Hat Enterprise Linux 4, 5, and 6.

The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

vsftpd (Very Secure File Transfer Protocol (FTP) daemon) is a secure FTP server for Linux, UNIX, and similar operating systems.

A flaw was discovered in the way vsftpd processed file name patterns.
An FTP user could use this flaw to cause the vsftpd process to use an excessive amount of CPU time, when processing a request with a specially crafted file name pattern. (CVE-2011-0762)

All vsftpd users should upgrade to this updated package, which contains a backported patch to correct this issue. The vsftpd daemon must be restarted for this update to take effect.

Solution

Update the affected vsftpd and / or vsftpd-debuginfo packages.

See Also

https://access.redhat.com/security/cve/cve-2011-0762

https://access.redhat.com/errata/RHSA-2011:0337

Plugin Details

Severity: Medium

ID: 52608

File Name: redhat-RHSA-2011-0337.nasl

Version: 1.21

Type: local

Agent: unix

Published: 3/10/2011

Updated: 1/14/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:vsftpd, p-cpe:/a:redhat:enterprise_linux:vsftpd-debuginfo, cpe:/o:redhat:enterprise_linux:4, cpe:/o:redhat:enterprise_linux:4.8, cpe:/o:redhat:enterprise_linux:5, cpe:/o:redhat:enterprise_linux:5.6, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.0

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/9/2011

Vulnerability Publication Date: 3/2/2011

Reference Information

CVE: CVE-2011-0762

BID: 46617

RHSA: 2011:0337