CVE-2020-27797: Buffer Overflow
First published: Thu Aug 25 2022(Updated: )
An invalid memory address reference was discovered in the elf_lookup function in p_lx_elf.cpp 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-2020-27797?
CVE-2020-27797 is a vulnerability in UPX 4.0.0 that allows for an invalid memory address reference in the elf_lookup function.
How does CVE-2020-27797 affect UPX?
CVE-2020-27797 affects UPX 4.0.0 by enabling a crafted Mach-O file to trigger an invalid memory address reference in the elf_lookup function.
What is the severity of CVE-2020-27797?
CVE-2020-27797 has a severity rating of medium with a score of 5.5.
How can I fix CVE-2020-27797 in UPX?
To fix CVE-2020-27797, it is recommended to update UPX to version 4.0.1 or later, as this vulnerability is addressed in the release.
Where can I find more information about CVE-2020-27797?
More information about CVE-2020-27797 can be found at the official GitHub repository for UPX, specifically in issue #390.
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