A flaw was found in ghostscript, versions 9.x before 9.50, in the setsystemparams 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.
{
"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-x"
},
{
"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": "libgs9"
},
{
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.11",
"binary_name": "libgs9-common"
}
],
"availability": "No subscription required"
}
{
"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-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"
}
],
"availability": "No subscription required"
}