In ghostscript before version 9.50, the .buildfont1 procedure did not properly secure its privileged calls, enabling scripts to bypass -dSAFER
restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges and access files outside of restricted areas.
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{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.10", "binary_name": "ghostscript" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.10", "binary_name": "ghostscript-dbg" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.10", "binary_name": "ghostscript-doc" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.10", "binary_name": "ghostscript-x" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.10", "binary_name": "libgs-dev" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.10", "binary_name": "libgs9" }, { "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.10", "binary_name": "libgs9-common" } ] }