The storageVolUpload function in storage/storage_driver.c in libvirt before 1.2.11 does not check a certain return value, which allows local users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted offset value in a "virsh vol-upload" command.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2014-8135 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the versions of libvirt as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 2.1 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:N/C:N/I:N/A:P |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Gluster Storage 3.0 | libvirt | Not affected |
| Red Hat Gluster Storage 2.1 | libvirt | Will not fix |
| Red Hat Enterprise Linux 7 | libvirt | Not affected |
| Red Hat Enterprise Linux 6 | libvirt | Will not fix |
| Red Hat Enterprise Linux 5 | libvirt | Will not fix |
Vulmon