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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6051
Reference (s):
- BID:70093
- URL: http://www.securityfocus.com/bid/70093
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- https://github.com/newsoft/libvncserver/commit/045a044e8ae79db9244593fbce154cdf6e843273
- https://www.kde.org/info/security/advisory-20140923-1.txt