CVE-2020-27790

Public Exploit

Description

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a upx
Published at:
Updated at:

References

Link Tags
https://github.com/upx/upx/issues/331 third party advisory exploit patch issue tracking
https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-27790?
CVE-2020-27790 has been scored as a medium severity vulnerability.
How to fix CVE-2020-27790?
To fix CVE-2020-27790, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-27790 being actively exploited in the wild?
It is possible that CVE-2020-27790 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-27790?
CVE-2020-27790 affects n/a upx.
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