CVE-2016-7977 Information disclosure in n/a

Medium 5.5 Published Updated

Remote attackers can bypass SAFER mode to read arbitrary files via crafted PostScript documents in Ghostscript.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-7977?

CVE-2016-7977 is a medium-severity vulnerability in Artifex Ghostscript, published on 23 May 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2016-7977?

It affects 1 product.

Products include Artifex Ghostscript.

How do I fix CVE-2016-7977?

Upgrade to a fixed version.

Is CVE-2016-7977 being exploited?

There is no known exploitation of CVE-2016-7977 in the wild and no public exploit code.

All Artifex Ghostscript vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-7977, GHSA-cvc4-qjwp-hwhc, UBUNTU-CVE-2016-7977.

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