Artifex: Security Vulnerabilities
A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it 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 within the Ghostscript and access files outside of restricted areas or execute commands.
CVSS Score
7.3
EPSS Score
0.034
Published
2019-11-15
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.
CVSS Score
7.3
EPSS Score
0.114
Published
2019-09-06
A flaw was found in, ghostscript versions prior to 9.50, in the .pdf_hook_DSC_Creator 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.
CVSS Score
7.3
EPSS Score
0.037
Published
2019-09-03
A flaw was found in, ghostscript versions prior to 9.50, in the .pdfexectoken and other procedures 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.
CVSS Score
7.3
EPSS Score
0.02
Published
2019-09-03
Artifex MuPDF before 1.16.0 has a heap-based buffer over-read in fz_chartorune in fitz/string.c because pdf/pdf-op-filter.c does not check for a missing string.
CVSS Score
7.1
EPSS Score
0.011
Published
2019-08-14
Artifex MuPDF 1.15.0 has a heap-based buffer overflow in fz_append_display_node located at fitz/list-device.c, allowing remote attackers to execute arbitrary code via a crafted PDF file. This occurs with a large BDC property name that overflows the allocated size of a display list node.
CVSS Score
7.8
EPSS Score
0.03
Published
2019-07-04
Usage of an uninitialized variable in the function fz_load_jpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an attacker to execute arbitrary code.
CVSS Score
9.8
EPSS Score
0.032
Published
2019-06-13
An issue was discovered in Artifex MuJS 1.0.5. regcompx in regexp.c does not restrict regular expression program size, leading to an overflow of the parsed syntax list size.
CVSS Score
9.8
EPSS Score
0.017
Published
2019-06-13
Artifex Ghostscript 9.22 is affected by: Obtain Information. The impact is: obtain sensitive information. The component is: affected source code file, affected function, affected executable, affected libga (imagemagick used that). The attack vector is: Someone must open a postscript file though ghostscript. Because of imagemagick also use libga, so it was affected as well.
CVSS Score
5.5
EPSS Score
0.013
Published
2019-05-23
It was found that in ghostscript some privileged operators remained accessible from various places after the CVE-2019-6116 fix. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER. Ghostscript versions before 9.27 are vulnerable.
CVSS Score
7.3
EPSS Score
0.018
Published
2019-05-16