Improper Input Validation Affecting ghostscript package, versions <0:9.07-20.el7_3.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-GHOSTSCRIPT-4672435
- published26 Jul 2021
- disclosed8 Oct 2016
Introduced: 8 Oct 2016
CVE-2016-8602 (opens in a new tab)How to fix?
Upgrade RHEL:7 ghostscript to version 0:9.07-20.el7_3.1 or higher.
This issue was patched in RHSA-2017:0013.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ghostscript package and not the ghostscript package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
The .sethalftone5 function in psi/zht2.c in Ghostscript before 9.21 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted Postscript document that calls .sethalftone5 with an empty operand stack.
References
- http://www.securityfocus.com/bid/95311
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=f5c7555c303
- https://bugs.ghostscript.com/show_bug.cgi?id=697203
- https://bugzilla.redhat.com/show_bug.cgi?id=1383940
- https://ghostscript.com/doc/9.21/History9.htm
- https://access.redhat.com/security/cve/CVE-2016-8602
- http://www.debian.org/security/2016/dsa-3691
- https://security.gentoo.org/glsa/201702-31
- http://www.openwall.com/lists/oss-security/2016/10/11/5
- http://www.openwall.com/lists/oss-security/2016/10/11/7
- http://rhn.redhat.com/errata/RHSA-2017-0013.html
- http://rhn.redhat.com/errata/RHSA-2017-0014.html
- https://access.redhat.com/errata/RHSA-2017:0013
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=f5c7555c303