high
7.8
CWE
704
Advisory Published
Updated

CVE-2018-19476: Incorrect Type Cast

First published: Fri Nov 23 2018(Updated: )

A vulnerability was found in Artifex Ghostscript before 9.26. A type confusion in setcolorspace in psi/zicc.c allows remote attackers to bypass intended access restrictions. References: <a href="https://bugs.ghostscript.com/show_bug.cgi?id=700169">https://bugs.ghostscript.com/show_bug.cgi?id=700169</a> <a href="https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26">https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26</a> Upstream Patches: <a href="http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=67d760ab775dae4efe803b5944b0439aa3c0b04a">http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=67d760ab775dae4efe803b5944b0439aa3c0b04a</a> <a href="http://git.ghostscript.com/?p=ghostpdl.git;h=548bb434e81dadcc9f71adf891a3ef5bea8e2b4e">http://git.ghostscript.com/?p=ghostpdl.git;h=548bb434e81dadcc9f71adf891a3ef5bea8e2b4e</a>

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/ghostscript<9.26
9.26
debian/ghostscript
9.53.3~dfsg-7+deb11u7
10.0.0~dfsg-11+deb12u4
10.0.0~dfsg-11+deb12u5
10.03.1~dfsg-2
10.04.0~dfsg-1
Ghostscript<9.26
Debian GNU/Linux=8.0
Debian GNU/Linux=9.0
Ubuntu Linux=14.04
Ubuntu Linux=16.04
Ubuntu Linux=18.04
Ubuntu Linux=18.10
redhat openshift container platform=3.11
redhat enterprise Linux desktop=7.0
redhat enterprise Linux server=7.0
redhat enterprise Linux server=7.6
redhat enterprise Linux server aus=7.6
redhat enterprise Linux server eus=7.6
redhat enterprise Linux server tus=7.6
redhat enterprise Linux workstation=7.0

Remedy

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=67d760ab775dae4efe803b5944b0439aa3c0b04a

Remedy

http://git.ghostscript.com/?p=ghostpdl.git;h=434753adbe8be5534bfb9b7d91746023e8073d16

Remedy

https://bugs.ghostscript.com/show_bug.cgi?id=700169

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2018-19476?

    CVE-2018-19476 has been classified as a medium severity vulnerability.

  • How do I fix CVE-2018-19476?

    To fix CVE-2018-19476, upgrade to Ghostscript version 9.26 or later.

  • What type of vulnerability is CVE-2018-19476?

    CVE-2018-19476 is a type confusion vulnerability in the setcolorspace function.

  • Which versions of Ghostscript are affected by CVE-2018-19476?

    Ghostscript versions prior to 9.26 are affected by CVE-2018-19476.

  • Can CVE-2018-19476 be exploited remotely?

    Yes, CVE-2018-19476 allows remote attackers to bypass access restrictions.

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