RHEL 5 : samba3x (RHSA-2011:0306)

high Nessus Plugin ID 52490

Synopsis

The remote Red Hat host is missing a security update for samba3x.

Description

The remote Redhat Enterprise Linux 5 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2011:0306 advisory.

Samba is a suite of programs used by machines to share files, printers, and other information.

A flaw was found in the way Samba handled file descriptors. If an attacker were able to open a large number of file descriptors on the Samba server, they could flip certain stack bits to 1 values, resulting in the Samba server (smbd) crashing. (CVE-2011-0719)

Red Hat would like to thank the Samba team for reporting this issue.

Users of Samba are advised to upgrade to these updated packages, which contain a backported patch to resolve this issue. After installing this update, the smb service will be restarted automatically.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL samba3x package based on the guidance in RHSA-2011:0306.

See Also

http://www.nessus.org/u?f7746180

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=678328

https://access.redhat.com/errata/RHSA-2011:0306

Plugin Details

Severity: High

ID: 52490

File Name: redhat-RHSA-2011-0306.nasl

Version: 1.20

Type: local

Agent: unix

Published: 3/2/2011

Updated: 11/4/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2011-0719

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:samba3x-common, cpe:/o:redhat:enterprise_linux:5, p-cpe:/a:redhat:enterprise_linux:samba3x, p-cpe:/a:redhat:enterprise_linux:samba3x-winbind-devel, p-cpe:/a:redhat:enterprise_linux:samba3x-domainjoin-gui, p-cpe:/a:redhat:enterprise_linux:samba3x-doc, p-cpe:/a:redhat:enterprise_linux:samba3x-swat, p-cpe:/a:redhat:enterprise_linux:samba3x-client, p-cpe:/a:redhat:enterprise_linux:samba3x-winbind

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/1/2011

Vulnerability Publication Date: 3/1/2011

Reference Information

CVE: CVE-2011-0719

BID: 46597

RHSA: 2011:0306