Vulnerability in Red Hat Libvirt
CVE-2013-4154
The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to "agent based cpu (un)plug," as demonstrated by the "virsh vcpucount foobar --guest" command.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.022 (81.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Red Hat Libvirt — versions 1.0.0, 1.0.1, 1.0.2
References
- libvirt.org/git/
- libvirt.org/news.html
- bugzilla.redhat.com/show_bug.cgi (Exploit)
- bugzilla.redhat.com/show_bug.cgi (Patch)
- openwall.com/lists/oss-security/2013/07/19/12 (mailing-list, Patch)