CVE-2020-27798: Buffer Overflow
First published: Thu Aug 25 2022(Updated: )
An invalid memory address reference was discovered in the adjABS 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-2020-27798?
CVE-2020-27798 is a vulnerability discovered in UPX 4.0.0 that allows for an invalid memory address reference in the adjABS function.
How can a crafted Mach-O file exploit CVE-2020-27798?
A crafted Mach-O file can exploit CVE-2020-27798 by triggering the invalid memory address reference in the adjABS function of UPX 4.0.0.
What is the severity of CVE-2020-27798?
CVE-2020-27798 has a severity rating of medium with a CVSS score of 5.5.
What software versions are affected by CVE-2020-27798?
UPX 4.0.0 is affected by CVE-2020-27798.
Is there a fix available for CVE-2020-27798?
At the time of writing, there is no known fix available for CVE-2020-27798. It is recommended to update to a newer version of UPX when one becomes available.
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