CVE-2014-6051

NameCVE-2014-6051
DescriptionInteger 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-197-1, DLA-1979-1, DSA-3081-1
NVD severityhigh
Debian Bugs762745

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
italc (PTS)jessie1:2.0.2+dfsg1-2vulnerable
jessie (security)1:2.0.2+dfsg1-2+deb8u1fixed
stretch1:3.0.3+dfsg1-1vulnerable
libvncserver (PTS)jessie0.9.9+dfsg2-6.1+deb8u3fixed
jessie (security)0.9.9+dfsg2-6.1+deb8u6fixed
stretch (security), stretch0.9.11+dfsg-1.3~deb9u1fixed
bullseye, sid, buster0.9.11+dfsg-1.3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
italcsource(unstable)(unfixed)
italcsourcejessie1:2.0.2+dfsg1-2+deb8u1DLA-1979-1
libvncserversource(unstable)0.9.9+dfsg-6.1762745
libvncserversourcesqueeze0.9.7-2+deb6u1DLA-197-1
libvncserversourcewheezy0.9.9+dfsg-1+deb7u1DSA-3081-1

Notes

https://github.com/newsoft/libvncserver/commit/045a044e8ae79db9244593fbce154cdf6e843273

Search for package or bug name: Reporting problems