SB2013100117 - Multiple vulnerabilities in libvirt

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Main Vulnerability Database SB2013100117

SB2013100117 - Multiple vulnerabilities in libvirt

Published: October 1, 2013 Updated: August 10, 2020

Security Bulletin ID SB2013100117
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Resource management error (CVE-ID: CVE-2013-4153)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Double free vulnerability in the qemuAgentGetVCPUs function in qemu/qemu_agent.c in libvirt 1.0.6 through 1.1.0 allows remote attackers to cause a denial of service (daemon crash) via a cpu count request, as demonstrated by the "virsh vcpucount dom --guest" command.


2) Buffer overflow (CVE-ID: CVE-2013-5651)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The virBitmapParse function in util/virbitmap.c in libvirt before 1.1.2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via a crafted bitmap, as demonstrated by a large nodeset value to numatune.


Remediation

Install update from vendor's website.

References