A flaw was found in all ghostscript versions 9.x before 9.50, in the .setuserparams2 procedure where it did not properly secure its privileged calls, enabling scripts to bypass -dSAFER
restrictions. A specially crafted PostScript file could disable security protection and then have access to the file system, or execute arbitrary commands.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "ghostscript" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "ghostscript-dbg" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "ghostscript-dbgsym" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "ghostscript-doc" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "ghostscript-x" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "ghostscript-x-dbgsym" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "libgs-dev" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "libgs-dev-dbgsym" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "libgs9" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "libgs9-common" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11", "binary_name": "libgs9-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.11", "binary_name": "ghostscript" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.11", "binary_name": "ghostscript-dbg" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.11", "binary_name": "ghostscript-doc" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.11", "binary_name": "ghostscript-x" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.11", "binary_name": "libgs-dev" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.11", "binary_name": "libgs9" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.11", "binary_name": "libgs9-common" } ] }