Ghostscript - Arbitrary Code Execution
Summary
DLA-674-1: ghostscript - security update. Affects ghostscript versions < 9.05~dfsg-6.3+deb7u3. Fixed in 9.05~dfsg-6.3+deb7u3. How to fix ↓
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Background
Ghostscript is an open-source PostScript/PDF interpreter that is widely used for rendering and processing PostScript and PDF files. It provides functionality for converting these file formats to other formats, such as images or text. Ghostscript is vulnerable to multiple security issues that can result in the execution of arbitrary code or information disclosure when processing specially crafted PostScript files.
Vulnerability Detail
The vulnerabilities discovered in Ghostscript can be exploited by an attacker by providing a malicious PostScript file to the interpreter. These vulnerabilities allow for the execution of arbitrary code within the context of the Ghostscript process, potentially leading to remote code execution or unauthorized access to sensitive information. The specific vulnerabilities include CVE-2013-5653, CVE-2016-7976, CVE-2016-7977, CVE-2016-7978, CVE-2016-7979, and CVE-2016-8602.
How To Fix
Minimum fixed version
9.05~dfsg-6.3+deb7u3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade ghostscriptTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There are no known workarounds for these vulnerabilities. It is essential to apply the recommended fix by upgrading the Ghostscript package to the latest version.
Conclusion
Ghostscript is vulnerable to multiple security issues that can lead to the execution of arbitrary code or information disclosure. To mitigate these vulnerabilities, it is crucial to upgrade the Ghostscript package to the recommended version. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for ghostscript →
FAQ
Ghostscript is an open-source PostScript/PDF interpreter used for rendering and processing PostScript and PDF files.
These vulnerabilities can allow an attacker to execute arbitrary code or access sensitive information within the context of the Ghostscript process.
To fix these vulnerabilities, you should upgrade the Ghostscript package to version 9.05~dfsg-6.3+deb7u3 or later.
No, there are no known workarounds for these vulnerabilities. It is crucial to apply the recommended fix by upgrading the Ghostscript package.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at https://wiki.debian.org/LTS.
Related vulnerabilities
Recent vulnerabilities recorded for ghostscript.
