[3.9] ghostscript: Multiple vulnerabilities: (CVE-2018-19409, CVE-2018-19475, CVE-2018-19476, CVE-2018-19477)
CVE-2018-19409: An issue was discovered in Artifex Ghostscript
before 9.26. LockSafetyParams is not
checked correctly if another device is used.
Fixed In Version:
ghostscript 9.26
References:
https://www.ghostscript.com/doc/9.26/History9.htm\#Version9.26
https://nvd.nist.gov/vuln/detail/CVE-2018-19409
Patches:
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=661e8d8fb
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=ea1b3ef43
CVE-2018-19475: psi/zdevice2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because available stack space is not checked when the device remains the same.
References:
https://nvd.nist.gov/vuln/detail/CVE-2018-19475
https://bugs.ghostscript.com/show\_bug.cgi?id=700153
Patches:
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=3005fcb9bb160af199e761e03bc70a9f249a987e
(ghostscript-9.26)
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=aeea342904978c9fe17d85f4906a0f6fcce2d315
(master)
CVE-2018-19476: psi/zicc.c in Artifex Ghostscript before 9.26 allows
remote attackers to bypass intended
access restrictions because of a setcolorspace type confusion.
References:
https://nvd.nist.gov/vuln/detail/CVE-2018-19476
https://bugs.ghostscript.com/show\_bug.cgi?id=700169
Patches:
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=67d760ab775dae4efe803b5944b0439aa3c0b04a
(ghostscript-9.26)
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=434753adbe8be5534bfb9b7d91746023e8073d16
(master)
CVE-2018-19477: psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.
References:
https://nvd.nist.gov/vuln/detail/CVE-2018-19477
https://bugs.ghostscript.com/show\_bug.cgi?id=700168
Patches:
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=ef252e7dc214bcbd9a2539216aab9202848602bb
(ghostscript-9.26)
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=606a22e77e7f081781e99e44644cd0119f559e03
(master)
(from redmine: issue id 9690, created on 2018-11-26, closed on 2018-12-07)
- Relations:
- parent #9689 (closed)