
CVE-2020-16287 – ghostscript: buffer overflow in lprn_is_black() in contrib/lips4/gdevlprn.c could result in a DoS
https://notcve.org/view.php?id=CVE-2020-16287
13 Aug 2020 — A buffer overflow vulnerability in lprn_is_black() in contrib/lips4/gdevlprn.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51. Una vulnerabilidad de desbordamiento del búfer en la función lprn_is_black() en el archivo contrib/lips4/gdevlprn.c de Artifex Software GhostScript versión v9.50, permite a un atacante remoto causar una denegación de servicio por medio de un archivo PDF diseñado. Esto es corregido en la versi... • https://bugs.ghostscript.com/show_bug.cgi?id=701785 • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •

CVE-2020-15900 – Ubuntu Security Notice USN-4445-1
https://notcve.org/view.php?id=CVE-2020-15900
28 Jul 2020 — A memory corruption issue was found in Artifex Ghostscript 9.50 and 9.52. Use of a non-standard PostScript operator can allow overriding of file access controls. The 'rsearch' calculation for the 'post' size resulted in a size that was too large, and could underflow to max uint32_t. This was fixed in commit 5d499272b95a6b890a1397e11d20937de000d31b. Se encontró un problema de corrupción de memoria en Artifex Ghostscript versiones 9.50 y 9.52. • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=log • CWE-191: Integer Underflow (Wrap or Wraparound) CWE-787: Out-of-bounds Write •

CVE-2019-14869 – ghostscript: -dSAFER escape in .charkeys (701841)
https://notcve.org/view.php?id=CVE-2019-14869
15 Nov 2019 — 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. Se detectó un fallo en todas las versiones de ghostscript 9.x en versiones anteriores a la 9.50, donde el ... • http://jvn.jp/en/jp/JVN52486659/index.html • CWE-648: Incorrect Use of Privileged APIs CWE-732: Incorrect Permission Assignment for Critical Resource •

CVE-2019-14817 – ghostscript: Safer mode bypass by .forceput exposure in .pdfexectoken and other procedures (701450)
https://notcve.org/view.php?id=CVE-2019-14817
02 Sep 2019 — 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. Se detecto un error en ghostscript en versiones anteriores a la 9.50, en el .pdfexectoken y en otros procedimientos en los que no aseguraba adecuadamente sus llamada... • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=cd1b1cacadac2479e291efe611979bdc1b3bdb19 • CWE-648: Incorrect Use of Privileged APIs CWE-863: Incorrect Authorization •

CVE-2019-14813 – ghostscript: Safer mode bypass by .forceput exposure in setsystemparams (701443)
https://notcve.org/view.php?id=CVE-2019-14813
02 Sep 2019 — 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. Se detectó un fallo en ghostscript, versiones 9.x versiones anteriores a la 9.50, en el procedimiento setsystemparams donde no aseguraba apropiadamente sus llamadas privile... • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=885444fcbe10dc42787ecb76686c8ee4dd33bf33 • CWE-648: Incorrect Use of Privileged APIs CWE-863: Incorrect Authorization •

CVE-2019-14812 – ghostscript: Safer mode bypass by .forceput exposure in setuserparams (701444)
https://notcve.org/view.php?id=CVE-2019-14812
02 Sep 2019 — 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. Se encontró un fallo en todas las versiones de ghostscript 9.x anteriores a la versión 9.50, en el procedimiento .setuserparams2 donde no aseguraba apropiadamente sus ll... • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=885444fcbe10dc42787ecb76686c8ee4dd33bf33 • CWE-648: Incorrect Use of Privileged APIs CWE-732: Incorrect Permission Assignment for Critical Resource •

CVE-2019-14811 – ghostscript: Safer mode bypass by .forceput exposure in .pdf_hook_DSC_Creator (701445)
https://notcve.org/view.php?id=CVE-2019-14811
29 Aug 2019 — 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. Se detecto un defecto en, ghostscript en versiones anteriores a la 9.50, en el procedimiento .pdf_hook_DSC_Creator donde no aseguró adecuadamente sus llamadas privilegi... • http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00088.html • CWE-648: Incorrect Use of Privileged APIs CWE-863: Incorrect Authorization •

CVE-2019-10216 – ghostscript: -dSAFER escape via .buildfont1 (701394)
https://notcve.org/view.php?id=CVE-2019-10216
12 Aug 2019 — 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. En ghostscript anterior a la versión 9.50, el procedimiento .buildfont1 no aseguraba adecuadamente sus llamadas privilegiadas, permitiendo que los scripts eludieran las restricciones `-dSAFER`. ... • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=5b85ddd19 • CWE-648: Incorrect Use of Privileged APIs •

CVE-2017-15652
https://notcve.org/view.php?id=CVE-2017-15652
23 May 2019 — 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. • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=2fc463d0e • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2019-3839 – ghostscript: missing attack vector protections for CVE-2019-6116
https://notcve.org/view.php?id=CVE-2019-3839
07 May 2019 — 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. Se econtró una vulnerabilidad en ghostscript, algunos operadores privilegiados permanecían accesibles desde varios lugares después de la corrección CVE-2019-6116. Un archivo es... • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=4ec9ca74bed49f2a82acb4bf430eae0d8b3b75c9 • CWE-648: Incorrect Use of Privileged APIs •