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CentOS 5 : nfs-utils-lib (CESA-2007:0951)

critical Nessus Plugin ID 43655

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An updated nfs-utils-lib package to correct two security flaws is now available for Red Hat Enterprise Linux 5.

This update has been rated as having important security impact by the Red Hat Security Response Team.

The nfs-utils-lib package contains support libraries that are needed by the commands and daemons of the nfs-utils package.

The updated nfs-utils package fixes the following vulnerabilities :

Tenable Network Security discovered a stack-based buffer overflow flaw in the RPC library used by nfs-utils-lib. A remote unauthenticated attacker who can access an application linked against nfs-utils-lib could trigger this flaw and cause the application to crash. On Red Hat Enterprise Linux 5 it is not possible to exploit this flaw to run arbitrary code as the overflow is blocked by FORTIFY_SOURCE.
(CVE-2007-3999)

Tony Ernst from SGI has discovered a flaw in the way nfsidmap maps NFSv4 unknown uids. If an unknown user ID is encountered on an NFSv4 mounted filesystem, the files will default to being owned by 'root' rather than 'nobody'. (CVE-2007-4135)

Users of nfs-utils-lib are advised to upgrade to this updated package, which contains backported patches to resolve these issues.

Solution

Update the affected nfs-utils-lib packages.

See Also

http://www.nessus.org/u?47f2b5ee

http://www.nessus.org/u?76b341b8

https://www.tenable.com/security/research/tra-2007-07

Plugin Details

Severity: Critical

ID: 43655

File Name: centos_RHSA-2007-0951.nasl

Version: 1.21

Type: local

Agent: unix

Published: 1/6/2010

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:nfs-utils-lib, p-cpe:/a:centos:centos:nfs-utils-lib-devel, cpe:/o:centos:centos:5

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/3/2007

Vulnerability Publication Date: 9/4/2007

Reference Information

CVE: CVE-2007-3999, CVE-2007-4135

BID: 25534

CWE: 119, 20

RHSA: 2007:0951

TRA: TRA-2007-07