Input validation error in libvirt - CVE-2011-2511
Published: August 10, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44820
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-2511
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote #AU# to perform service disruption.
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
Affected software
libvirt
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2011-2511
Install update from vendor's website.
External References
- http://libvirt.org/news.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062515.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062855.html
- http://secunia.com/advisories/45375
- http://secunia.com/advisories/45441
- http://secunia.com/advisories/45446
- http://www.debian.org/security/2011/dsa-2280
- http://www.openwall.com/lists/oss-security/2011/06/28/9
- http://www.redhat.com/support/errata/RHSA-2011-1019.html
- http://www.redhat.com/support/errata/RHSA-2011-1197.html
- http://www.securitytracker.com/id?1025822
- http://www.ubuntu.com/usn/USN-1180-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68271
- https://hermes.opensuse.org/messages/10027908
- https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html