Vulnerability CVE-2014-6051
Published: 2014-09-30

Description:
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.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Oracle -> Solaris 
Libvncserver -> Libvncserver 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
http://rhn.redhat.com/errata/RHSA-2015-0113.html
http://seclists.org/oss-sec/2014/q3/639
http://www.debian.org/security/2014/dsa-3081
http://www.ocert.org/advisories/ocert-2014-007.html
http://www.openwall.com/lists/oss-security/2014/09/25/11
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.securityfocus.com/bid/70093
https://github.com/newsoft/libvncserver/commit/045a044e8ae79db9244593fbce154cdf6e843273
https://security.gentoo.org/glsa/201507-07
https://security.gentoo.org/glsa/201612-36
https://www.kde.org/info/security/advisory-20140923-1.txt
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