CentOS 6 : libvirt (CESA-2012:1202)

low Nessus Plugin ID 61661

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Synopsis

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

Description

Updated libvirt packages that fix one security issue and two bugs are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate 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.

The libvirt library is a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems.

A flaw was found in libvirtd's RPC call handling. An attacker able to establish a read-only connection to libvirtd could trigger this flaw with a specially crafted RPC command that has the number of parameters set to 0, causing libvirtd to access invalid memory and crash.
(CVE-2012-3445)

This update also fixes the following bugs :

* Previously, repeatedly migrating a guest between two machines while using the tunnelled migration could cause the libvirt daemon to lock up unexpectedly. The bug in the code for locking remote drivers has been fixed and repeated tunnelled migrations of domains now work as expected. (BZ#847946)

* Previously, when certain system locales were used by the system, libvirt could issue incorrect commands to the hypervisor. This bug has been fixed and the libvirt library and daemon are no longer affected by the choice of the user locale. (BZ#847959)

All users of libvirt are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, libvirtd will be restarted automatically.

Solution

Update the affected libvirt packages.

Plugin Details

Severity: Low

ID: 61661

File Name: centos_RHSA-2012-1202.nasl

Version: 1.12

Type: local

Agent: unix

Family: CentOS Local Security Checks

Published: 8/27/2012

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2012-3445

Vulnerability Information

CPE: p-cpe:/a:centos:centos:libvirt-client, p-cpe:/a:centos:centos:libvirt-python, cpe:/o:centos:centos:6, p-cpe:/a:centos:centos:libvirt, p-cpe:/a:centos:centos:libvirt-devel, p-cpe:/a:centos:centos:libvirt-lock-sanlock

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/23/2012

Vulnerability Publication Date: 8/7/2012

Reference Information

CVE: CVE-2012-3445

BID: 54748

RHSA: 2012:1202

Detections

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