CVE-2016-7977

Description

Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently read arbitrary files via the use of the .libfile operator in a crafted postscript document.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.76% Top 30%
Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2016/dsa-3691 vendor advisory
http://www.securityfocus.com/bid/95334 vdb entry third party advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://rhn.redhat.com/errata/RHSA-2017-0013.html vendor advisory
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=8abd22010eb4db0fb1b10e430d5f5d83e015ef70
http://www.openwall.com/lists/oss-security/2016/09/29/28 mailing list patch
http://rhn.redhat.com/errata/RHSA-2017-0014.html vendor advisory
https://bugs.ghostscript.com/show_bug.cgi?id=697169 issue tracking patch
http://www.openwall.com/lists/oss-security/2016/10/05/15 mailing list patch
https://ghostscript.com/doc/9.21/History9.htm release notes
https://security.gentoo.org/glsa/201702-31 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-7977?
CVE-2016-7977 has been scored as a medium severity vulnerability.
How to fix CVE-2016-7977?
To fix CVE-2016-7977, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-7977 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-7977 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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