Segv on unknown address in gx_device_forward_finalize in ghostscript
Summary
OSV-2024-294: Segv on unknown address in gx_device_forward_finalize. Affects ghostscript versions >= e863d7f2cd68d07e3d0274d93a157d41d748a0c4, < 0733f3c565faea01fc03a1757de05b6d71021264. Fixed in 0733f3c565faea01fc03a1757de05b6d71021264. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Ghostscript is an open-source interpreter for the PostScript language and the PDF file format. It is widely used for rendering and converting documents. The vulnerability in question, identified as OSV-2024-294, affects the gx_device_forward_finalize function in Ghostscript. This function is responsible for finalizing a device used for forward rendering. The vulnerability can lead to a segmentation fault (segv) on an unknown address, potentially causing a crash or other unexpected behavior.
Vulnerability Detail
The vulnerability originates from an unknown address in the gx_device_forward_finalize function. When this function is called, it can result in a segv, indicating an attempt to access an invalid or inaccessible memory location. The exact cause of the segv is not specified in the provided information. However, it is important to note that this vulnerability can be triggered during the finalization process of a device used for forward rendering. The impact of this vulnerability can vary depending on the context in which Ghostscript is used. It may lead to crashes, denial of service, or potentially allow for arbitrary code execution.
How To Fix
Minimum fixed version
0733f3c565faea01fc03a1757de05b6d71021264
This is the first release that contains the fix.
Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
No specific workaround is mentioned in the provided information. However, as a general best practice, it is advisable to follow secure coding practices, such as input validation and sanitization, to minimize the risk of exploitation. Additionally, implementing proper access controls and restricting the usage of Ghostscript to trusted sources can help mitigate potential attacks.
Conclusion
In conclusion, the gx_device_forward_finalize function in Ghostscript is vulnerable to a segv on an unknown address. This vulnerability can potentially lead to crashes, denial of service, or arbitrary code execution. It is crucial to update Ghostscript to a version that addresses this vulnerability and follow secure coding practices to minimize the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for ghostscript →
FAQ
Ghostscript is an open-source interpreter for the PostScript language and the PDF file format. It is commonly used for rendering and converting documents.
The impact of this vulnerability can vary depending on the context in which Ghostscript is used. It may lead to crashes, denial of service, or potentially allow for arbitrary code execution.
To fix this vulnerability, it is recommended to update Ghostscript to a version that includes the necessary patches or fixes. Contact the Ghostscript development team for information on the specific version that addresses this vulnerability.
No specific workaround is mentioned in the provided information. However, following secure coding practices and implementing proper access controls can help mitigate potential attacks.
For more information about this vulnerability, refer to the provided OSS-Fuzz report: [link to the report].
References
Related vulnerabilities
Recent vulnerabilities recorded for ghostscript.
