critical
9.3
Advisory Published
CVE Published
Updated

CVE-2018-16509

First published: Tue Aug 21 2018(Updated: )

An issue was discovered in Artifex Ghostscript before 9.24. 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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Artifex Ghostscript<9.24
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Redhat Enterprise Linux Desktop=6.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Server=6.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Eus=7.5
Redhat Enterprise Linux Workstation=6.0
Redhat Enterprise Linux Workstation=7.0
Artifex Gpl Ghostscript<9.26
redhat/ghostscript<9.24
9.24
debian/ghostscript
9.53.3~dfsg-7+deb11u7
9.53.3~dfsg-7+deb11u9
10.0.0~dfsg-11+deb12u5
10.0.0~dfsg-11+deb12u6
10.04.0~dfsg-1
10.04.0~dfsg-2

Remedy

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=43711760b611b1a8e17f3490e3b58914508098f9

Remedy

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=78911a01b67d590b4a91afac2e8417360b934156

Remedy

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=5516c614dc33662a2afdc377159f70218e67bde5

Remedy

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=79cccf641486a6595c43f1de1cd7ade696020a31

Remedy

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=520bb0ea7519aa3e79db78aaf0589dae02103764

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-16509?

    CVE-2018-16509 is a vulnerability in Artifex Ghostscript before version 9.24 that allows attackers to execute code using the "pipe" instruction.

  • How severe is CVE-2018-16509?

    CVE-2018-16509 has a severity rating of 7.8 out of 10, making it a critical vulnerability.

  • What software is affected by CVE-2018-16509?

    CVE-2018-16509 affects Artifex Ghostscript versions before 9.24.

  • How can I fix CVE-2018-16509?

    To fix CVE-2018-16509, update Artifex Ghostscript to version 9.24 or later.

  • Where can I find more information about CVE-2018-16509?

    You can find more information about CVE-2018-16509 at the following references: [http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=5516c614dc33662a2afdc377159f70218e67bde5](http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=5516c614dc33662a2afdc377159f70218e67bde5), [http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=78911a01b67d590b4a91afac2e8417360b934156](http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=78911a01b67d590b4a91afac2e8417360b934156), [http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=79cccf641486a6595c43f1de1cd7ade696020a31](http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=79cccf641486a6595c43f1de1cd7ade696020a31)

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