Heap-buffer-overflow in ghostscript: Ins_JROF
Summary
OSV-2022-524: Heap-buffer-overflow in Ins_JROF. Affects ghostscript versions >= 441c9e3a4ca08fa7f7c00063af33196b0d88ebaf. No fix is published. How to fix ↓
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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 identified as Ins_JROF is a heap-buffer-overflow issue in Ghostscript. This vulnerability can be triggered by a specific input, leading to a read overflow. It was reported through the OSS-Fuzz project, which focuses on fuzzing open-source software to uncover vulnerabilities.
Vulnerability Detail
The Ins_JROF vulnerability in Ghostscript is a heap-buffer-overflow issue that occurs during the execution of the Ins_JROF instruction. This vulnerability can be exploited by an attacker to read beyond the bounds of a heap buffer, potentially leading to memory corruption and arbitrary code execution. The vulnerability was introduced in version 441c9e3a4ca08fa7f7c00063af33196b0d88ebaf of the Ghostscript repository. The severity of this vulnerability is considered medium.
How To Fix
No fixed version is published for this vulnerability.
To fix the Ins_JROF vulnerability in Ghostscript, it is recommended to update to a version where the issue has been patched. The maintainers of Ghostscript have likely released a fix for this vulnerability, so users should update their installations to the latest version available. It is important to regularly check for updates and apply them promptly to ensure the security of the software.
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Workaround
At the moment, there is no known workaround for the Ins_JROF vulnerability in Ghostscript. It is advised to follow the recommended fix and update to a patched version of the software.
Conclusion
The Ins_JROF vulnerability in Ghostscript is a medium-severity heap-buffer-overflow issue that can lead to memory corruption and potential code execution. Users of Ghostscript should update to a patched version of the software to mitigate this vulnerability. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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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 Ins_JROF vulnerability is a heap-buffer-overflow issue in Ghostscript. It can be triggered by a specific input, leading to a read overflow and potential memory corruption.
An attacker can exploit the Ins_JROF vulnerability by providing a specially crafted input that triggers the heap-buffer-overflow. This can potentially allow the attacker to execute arbitrary code or cause a denial-of-service.
The severity of the Ins_JROF vulnerability is considered medium.
Currently, there is no known workaround for the Ins_JROF vulnerability. It is recommended to update to a patched version of Ghostscript.
References
Related vulnerabilities
Recent vulnerabilities recorded for ghostscript.
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