CVE-2021-20285 - A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a d

CVE-2021-20285

Summary

A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.

References

https://github.com/upx/upx/issues/421
https://bugzilla.redhat.com/show_bug.cgi?id=1937787

Vulnerable Configurations

cpe:2.3:a:upx_project:upx:3.96:*:*:*:*:*:*:*
cpe:2.3:a:upx_project:upx:3.96:*:*:*:*:*:*:*

CVSS

Base:	8.3 (as of 05-08-2022 - 17:44)
Impact:
Exploitability:

CWE

CWE-787

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
PARTIAL	PARTIAL	COMPLETE

cvss-vector via4

AV:N/AC:M/Au:N/C:P/I:P/A:C

Last major update

05-08-2022 - 17:44

Published

26-03-2021 - 17:15

Last modified

05-08-2022 - 17:44