CVE-2020-27801: Buffer Overflow
First published: Thu Aug 25 2022(Updated: )
A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| UPX | =4.0.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-27801?
CVE-2020-27801 is a vulnerability in UPX 4.0.0 that allows a heap-based buffer over-read via a crafted Mach-O file.
How severe is CVE-2020-27801?
CVE-2020-27801 has a severity rating of 7.8 (high).
How does CVE-2020-27801 affect UPX?
CVE-2020-27801 affects UPX version 4.0.0.
How can I fix the vulnerability?
Currently, there is no known fix for CVE-2020-27801. It is recommended to update to a patched version of UPX when it becomes available.
Where can I find more information about CVE-2020-27801?
More information about CVE-2020-27801 can be found at the following reference: [https://github.com/upx/upx/issues/394](https://github.com/upx/upx/issues/394)
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