CVE-2017-9611

The Ins_MIRP function in base/ttinterp.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document.

The Ins_MIRP function in base/ttinterp.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document.

The Ins_MIRP function in base/ttinterp.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document. (CVE-2017-9611)

The Ins_IP function in base/ttinterp.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly have unspecified other impact via a crafted document. (CVE-2017-9612)

The Ins_MDRP function in base/ttinterp.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document. (CVE-2017-9726)

The gx_ttfReader__Read function in base/gxttfb.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document. (CVE-2017-9727)

The Ins_JMPR function in base/ttinterp.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document. (CVE-2017-9739)

The gs_alloc_ref_array function in psi/ialloc.c in Artifex Ghostscript 9.21 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted PostScript document. This is related to a lack of an integer overflow check in base/gsalloc.c. (CVE-2017-9835)

psi/ztoken.c in Artifex Ghostscript 9.21 mishandles references to the scanner state structure, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted PostScript document, related to an out-of-bounds read in the igc_reloc_struct_ptr function in psi/igc.c. (CVE-2017-11714)

This update for ghostscript-library fixes the following issues:

• CVE-2018-16511: A type confusion in 'ztype' could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact. (bsc#1107426)
• CVE-2018-16540: Attackers able to supply crafted PostScript files to the builtin PDF14 converter could use a use-after-free in copydevice handling to crash the interpreter or possibly have unspecified other impact. (bsc#1107420)
• CVE-2018-16541: Attackers able to supply crafted PostScript files could use incorrect free logic in pagedevice replacement to crash the interpreter. (bsc#1107421)
• CVE-2018-16542: Attackers able to supply crafted PostScript files could use insufficient interpreter stack-size checking during error handling to crash the interpreter. (bsc#1107413)
• CVE-2018-16509: Incorrect 'restoration of privilege' checking during handling of /invalidaccess exceptions could be used by attackers able to supply crafted PostScript to execute code using the 'pipe' instruction. (bsc#1107410
• CVE-2018-16513: Attackers able to supply crafted PostScript files could use a type confusion in the setcolor function to crash the interpreter or possibly have unspecified other impact. (bsc#1107412)
• CVE-2018-15910: Attackers able to supply crafted PostScript files could use a type confusion in the LockDistillerParams parameter to crash the interpreter or execute code. (bsc#1106173)
• CVE-2017-9611: The Ins_MIRP function allowed remote attackers to cause a denial of service (heap-based buffer over-read and application crash) or possibly have unspecified other impact via a crafted document. (bsc#1050893)

Kamil Frankowicz discovered that Ghostscript mishandles references. A remote attacker could use this to cause a denial of service. (CVE-2017-11714)

Kim Gwan Yeong discovered that Ghostscript could allow a heap-based buffer over-read and application crash. A remote attacker could use a crafted document to cause a denial of service. (CVE-2017-9611, CVE-2017-9726, CVE-2017-9727, CVE-2017-9739)

Kim Gwan Yeong discovered an use-after-free vulnerability in Ghostscript. A remote attacker could use a crafted file to cause a denial of service. (CVE-2017-9612)

Kim Gwan Yeong discovered a lack of integer overflow check in Ghostscript. A remote attacker could use crafted PostScript document to cause a denial of service. (CVE-2017-9835)