Stack-Based Buffer Overflow in Ghostscript - CVE-2024-29507
Summary
UBUNTU-CVE-2024-29507: Artifex Ghostscript before 10.03.0 sometimes has a stack-based buffer overflow via the CIDFSubstPath and CIDFSubstFont parameters. Affects ghostscript versions < 10.02.1~dfsg1-0ubuntu7.3. Fixed in 10.02.1~dfsg1-0ubuntu7.3. How to fix ↓
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Background
Ghostscript is an interpreter for the PostScript language and for PDF. It is widely used for processing and rendering documents in various formats. The package is essential for applications that require document manipulation and conversion. However, a vulnerability has been identified in Ghostscript that could lead to severe security issues if not addressed promptly.
Vulnerability Detail
Artifex Ghostscript versions prior to 10.03.0 are susceptible to a stack-based buffer overflow vulnerability. This issue arises from improper handling of the CIDFSubstPath and CIDFSubstFont parameters, which can be exploited by an attacker to execute arbitrary code. The ramifications of this vulnerability include potential unauthorized access to system resources and data corruption, making it critical for users to apply the necessary updates.
How To Fix
Minimum fixed version
10.02.1~dfsg1-0ubuntu7.3
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
As a temporary workaround, users can avoid using the affected parameters (CIDFSubstPath and CIDFSubstFont) in their Ghostscript commands until the package is updated. However, this is not a permanent solution and updating the package is strongly recommended.
Conclusion
The vulnerability CVE-2024-29507 in Ghostscript poses significant risks due to its potential for stack-based buffer overflow. Users are strongly encouraged to update to the latest patched version to safeguard their systems. Additionally, utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
See every vulnerability recorded for ghostscript →
FAQ
CVE-2024-29507 is a vulnerability in Ghostscript that allows for a stack-based buffer overflow, potentially leading to arbitrary code execution.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploitation of this vulnerability could lead to unauthorized access to system resources, data corruption, and other security breaches.
Yes, the patched version of Ghostscript is 10.02.1~dfsg1-0ubuntu7.3. Users are advised to update to this version or later.
Vulert monitors and alerts for open-source vulnerabilities in software using a manifest file like package-lock.json. It provides real-time alerts without requiring code access or installation.
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