CVE-2020-27796: Buffer Overflow
First published: Thu Aug 25 2022(Updated: )
A heap-based buffer over-read was discovered in the invert_pt_dynamic 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 the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2020-27796.
What is the severity of CVE-2020-27796?
The severity of CVE-2020-27796 is high with a score of 7.8.
What is the affected software?
The affected software is UPX version 4.0.0.
How does the vulnerability occur?
The vulnerability occurs due to a heap-based buffer over-read in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
Is there a fix available for CVE-2020-27796?
Yes, the UPX project has addressed the vulnerability in newer versions. It is recommended to update to the latest version of UPX to fix CVE-2020-27796.
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