NULL pointer dereference in libvirt and Opensuse - CVE-2013-7336
Published: May 7, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41719
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-7336
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: libvirt.org
SUSE
SUSE
Affected software:
libvirt
Opensuse
libvirt
Opensuse
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in qemu/qemu_migration.c in libvirt before 1.1.3 does not properly enter a monitor when performing seamless SPICE migration, which allows local users to cause a denial of service (NULL pointer dereference and libvirtd crash) by causing domblkstat to be called at the same time as the qemuMonitorGetSpiceMigrationStatus function. <a href="http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2013-7336
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://libvirt.org/git/?p=libvirt.git;a=commit;h=484cc321
- http://libvirt.org/news.html
- http://lists.opensuse.org/opensuse-updates/2014-05/msg00004.html
- http://secunia.com/advisories/60895
- http://security.gentoo.org/glsa/glsa-201412-04.xml
- http://www.openwall.com/lists/oss-security/2014/03/18/1
- http://www.openwall.com/lists/oss-security/2014/03/18/3
- https://bugzilla.redhat.com/show_bug.cgi?id=1077620