Nicolas Ruff discovered that LibVNCServer incorrectly handled memory when being advertised large screen sizes by the server. If a user were tricked into connecting to a malicious server, an attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2014-6051, CVE-2014-6052)
Nicolas Ruff discovered that LibVNCServer incorrectly handled large ClientCutText messages. A remote attacker could use this issue to cause a server to crash, resulting in a denial of service. (CVE-2014-6053)
Nicolas Ruff discovered that LibVNCServer incorrectly handled zero scaling factor values. A remote attacker could use this issue to cause a server to crash, resulting in a denial of service. (CVE-2014-6054)
Nicolas Ruff discovered that LibVNCServer incorrectly handled memory in the file transfer feature. A remote attacker could use this issue to cause a server to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-6055)
{ "binaries": [ { "binary_version": "0.9.9+dfsg-1ubuntu1.1", "binary_name": "libvncserver-config" }, { "binary_version": "0.9.9+dfsg-1ubuntu1.1", "binary_name": "libvncserver-dev" }, { "binary_version": "0.9.9+dfsg-1ubuntu1.1", "binary_name": "libvncserver0" }, { "binary_version": "0.9.9+dfsg-1ubuntu1.1", "binary_name": "linuxvnc" } ], "availability": "No subscription required" }
{ "cves": [ { "severity": [ { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2014-6051" }, { "severity": [ { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2014-6052" }, { "severity": [ { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2014-6053" }, { "severity": [ { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2014-6054" }, { "severity": [ { "type": "Ubuntu", "score": "medium" } ], "id": "CVE-2014-6055" } ], "ecosystem": "Ubuntu:14.04:LTS" }