CVE-2016-7979: Incorrect Type Cast
First published: Tue May 23 2017(Updated: )
Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently execute arbitrary code by leveraging type confusion in .initialize_dsc_parser.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Artifex Software Ghostscript | <=9.20 |
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Reference Links
- http://git.ghostscript.com/?p=ghostpdl.git;h=875a0095f37626a721c7ff57d606a0f95af03913
- http://rhn.redhat.com/errata/RHSA-2017-0013.html
- http://rhn.redhat.com/errata/RHSA-2017-0014.html
- http://www.debian.org/security/2016/dsa-3691
- http://www.openwall.com/lists/oss-security/2016/10/05/15
- http://www.securityfocus.com/bid/95337
- https://bugs.ghostscript.com/show_bug.cgi?id=697190
- https://security.gentoo.org/glsa/201702-31
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=875a0095f37626a721c7ff57d606a0f95af03913
Frequently Asked Questions
What is the severity of CVE-2016-7979?
CVE-2016-7979 is rated as a critical vulnerability due to the potential for remote code execution.
How can I fix CVE-2016-7979?
To fix CVE-2016-7979, upgrade to Ghostscript version 9.21 or later.
What software is affected by CVE-2016-7979?
CVE-2016-7979 affects all versions of Ghostscript up to and including 9.20.
What types of attacks are possible with CVE-2016-7979?
CVE-2016-7979 allows remote attackers to execute arbitrary code by bypassing the SAFER mode protection.
What is the nature of the vulnerability in CVE-2016-7979?
CVE-2016-7979 involves type confusion in the .initialize_dsc_parser component of Ghostscript.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/last-modified-date
- agent/author
- agent/remedy
- agent/severity
- agent/weakness
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/artifex
- canonical/artifex software ghostscript
- version/artifex software ghostscript/9.20