CVE-2012-4423
The MITRE CVE dictionary describes this issue as:
The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.
Find out more about CVE-2012-4423 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
The versions of libvirt as shipped with Red Hat Enterprise Linux 5 are not affected.
This issue did affect the versions of the libvirt package as shipped with Red Hat Enterprise Linux 6.
CVSS v2 metrics
| Base Score | 3.3 |
|---|---|
| Base Metrics | AV:A/AC:L/Au:N/C:N/I:N/A:P |
| Access Vector | Adjacent Network |
| 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).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (libvirt) | RHSA-2012:1359 | 2012-10-11 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | libvirt | Not affected |
Acknowledgements
This issue was discovered by Wenlong Huang of the Red Hat Virtualization QE Team.CVE description copyright © 2017, The MITRE Corporation