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.
2014-09-30T16:55:07.010
2025-04-12T10:46:40.837
Deferred
CVSSv2: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | redhat | enterprise_linux_server_aus | 6.5 | Yes |
Operating System | redhat | enterprise_linux_server_eus | 6.5.z | Yes |
Operating System | fedoraproject | fedora | 20 | Yes |
Operating System | fedoraproject | fedora | 21 | Yes |
Application | libvncserver | libvncserver | ≤ 0.9.9 | Yes |
Operating System | debian | debian_linux | 7.0 | Yes |
Operating System | oracle | solaris | 11.3 | Yes |