CVE-2014-6054 Information

Description

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.

Reference

http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html http://seclists.org/oss-sec/2014/q3/639 http://secunia.com/advisories/61506 http://secunia.com/advisories/61682 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.securityfocus.com/bid/70094 http://www.ubuntu.com/usn/USN-2365-1 https://github.com/newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446 https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html https://security.gentoo.org/glsa/201507-07 https://usn.ubuntu.com/4587-1/