CVE-2017-8291: Artifex Ghostscript Type Confusion Vulnerability
First published: Thu Apr 27 2017(Updated: )
Artifex Ghostscript allows -dSAFER bypass and remote command execution via .rsdparams type confusion with a "/OutputFile.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ghostscript | ||
| Ghostscript | <=9.21 | |
| Ghostscript | <9.21 | |
| Debian | =8.0 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server EUS | =7.3 | |
| Red Hat Enterprise Linux Server EUS | =7.4 | |
| Red Hat Enterprise Linux Server EUS | =7.5 | |
| Red Hat Enterprise Linux Server EUS | =7.6 | |
| Red Hat Enterprise Linux Server EUS | =7.7 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =7.3 | |
| Red Hat Enterprise Linux Server | =7.4 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.7 | |
| Red Hat Enterprise Linux Server | =7.3 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.7 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
Remedy
https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=04b37bbce174eed24edec7ad5b920eb93db4d47d
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Reference Links
- http://openwall.com/lists/oss-security/2017/04/28/2
- http://www.debian.org/security/2017/dsa-3838
- http://www.securityfocus.com/bid/98476
- https://access.redhat.com/errata/RHSA-2017:1230
- https://bugs.ghostscript.com/show_bug.cgi?id=697808
- https://bugzilla.redhat.com/show_bug.cgi?id=1446063
- https://bugzilla.suse.com/show_bug.cgi?id=1036453
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=04b37bbce174eed24edec7ad5b920eb93db4d47d
- https://security.gentoo.org/glsa/201708-06
- https://www.exploit-db.com/exploits/41955/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1446064
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=04b37bbce1
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f83478c88
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=57f20719
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=ccfd2c75ac
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1445359
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=57f20719
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1446063#c9
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=697892
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=ccfd2c75ac
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=04b37bbce174eed24edec7ad5b920eb93db4d47d
- https://nvd.nist.gov/vuln/detail/CVE-2017-8291
Frequently Asked Questions
What is the severity of CVE-2017-8291?
CVE-2017-8291 has a high severity rating due to the potential for remote command execution.
How do I fix CVE-2017-8291?
To fix CVE-2017-8291, update your Artifex Ghostscript to version 9.22 or later, which addresses the vulnerability.
What versions of Ghostscript are affected by CVE-2017-8291?
CVE-2017-8291 affects Artifex Ghostscript versions up to and including 9.21.
Can CVE-2017-8291 be exploited remotely?
Yes, CVE-2017-8291 can be exploited remotely, allowing attackers to execute arbitrary commands.
What is the impact of exploiting CVE-2017-8291?
Exploitation of CVE-2017-8291 can lead to unauthorized system access and control by an attacker.
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