CVE-2020-27790

EUVD-2020-20292
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
Affected Products (NVD)
VendorProductVersion
upxupx
𝑥
< 3.96
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
upx-ucl
bullseye
3.96-2
fixed
sid
4.2.4-1
fixed
trixie
4.2.4-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
upx-ucl
bionic
needs-triage
focal
needs-triage
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
ignored
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26
https://github.com/upx/upx/issues/331
https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26
https://github.com/upx/upx/issues/331