CVE-2014-6051
HIGH severity · CVSS 7.5 · CWE-189
7.5CVSS HIGH
Summary
Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via an advertisement for a large screen size, which triggers a heap-based buffer overflow.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)8%
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://www.ocert.org/advisories/ocert-2014-007.html ↗
Additional information
- NVD record
- http://www.ocert.org/advisories/ocert-2014-007.htmlPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- http://rhn.redhat.com/errata/RHSA-2015-0113.htmlAdvisory
- http://seclists.org/oss-sec/2014/q3/639Advisory
- http://secunia.com/advisories/61506Advisory
- http://www.debian.org/security/2014/dsa-3081Advisory