Resource management error in libvirt - CVE-2012-3445
Published: August 8, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43760
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2012-3445
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: libvirt.org
Affected software:
libvirt
libvirt
Detailed vulnerability description
The vulnerability allows a remote #AU# to perform service disruption.
The virTypedParameterArrayClear function in libvirt 0.9.13 does not properly handle virDomain* API calls with typed parameters, which might allow remote authenticated users to cause a denial of service (libvirtd crash) via an RPC command with nparams set to zero, which triggers an out-of-bounds read or a free of an invalid pointer.
How to mitigate CVE-2012-3445
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00023.html
- http://rhn.redhat.com/errata/RHSA-2012-1202.html
- http://secunia.com/advisories/50118
- http://secunia.com/advisories/50299
- http://secunia.com/advisories/50372
- http://www.openwall.com/lists/oss-security/2012/07/31/4
- http://www.openwall.com/lists/oss-security/2012/07/31/7
- http://www.securityfocus.com/bid/54748
- https://bugzilla.redhat.com/show_bug.cgi?id=844734
- https://www.redhat.com/archives/libvir-list/2012-July/msg01650.html