TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "binary_version": "1.3.9-6.5+deb8u1build0.14.04.1~esm1", "binary_name": "tightvncserver" }, { "binary_version": "1.3.9-6.5+deb8u1build0.14.04.1~esm1", "binary_name": "tightvncserver-dbgsym" }, { "binary_version": "1.3.9-6.5+deb8u1build0.14.04.1~esm1", "binary_name": "xtightvncviewer" }, { "binary_version": "1.3.9-6.5+deb8u1build0.14.04.1~esm1", "binary_name": "xtightvncviewer-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncclient1" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncclient1-dbg" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncclient1-dbgsym" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncserver-config" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncserver-config-dbgsym" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncserver-dev" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncserver-dev-dbgsym" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncserver1" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncserver1-dbg" }, { "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.4", "binary_name": "libvncserver1-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "0.9.11+dfsg-1ubuntu1.2", "binary_name": "libvncclient1" }, { "binary_version": "0.9.11+dfsg-1ubuntu1.2", "binary_name": "libvncclient1-dbg" }, { "binary_version": "0.9.11+dfsg-1ubuntu1.2", "binary_name": "libvncserver-config" }, { "binary_version": "0.9.11+dfsg-1ubuntu1.2", "binary_name": "libvncserver-dev" }, { "binary_version": "0.9.11+dfsg-1ubuntu1.2", "binary_name": "libvncserver1" }, { "binary_version": "0.9.11+dfsg-1ubuntu1.2", "binary_name": "libvncserver1-dbg" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "0.9.12+dfsg-9ubuntu0.1", "binary_name": "libvncclient1" }, { "binary_version": "0.9.12+dfsg-9ubuntu0.1", "binary_name": "libvncclient1-dbgsym" }, { "binary_version": "0.9.12+dfsg-9ubuntu0.1", "binary_name": "libvncserver-dev" }, { "binary_version": "0.9.12+dfsg-9ubuntu0.1", "binary_name": "libvncserver1" }, { "binary_version": "0.9.12+dfsg-9ubuntu0.1", "binary_name": "libvncserver1-dbgsym" } ] }