7.8

CVE-2021-30500

Exploit
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
UpxUpx Version4.0.0
RedhatEnterprise Linux Version7.0
FedoraprojectFedora Version33
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.23% 0.65
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd@nist.gov 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://bugzilla.redhat.com/show_bug.cgi?id=1948692
Third Party Advisory
Issue Tracking
https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc
Patch
Third Party Advisory
https://github.com/upx/upx/issues/485
Third Party Advisory
Exploit
Issue Tracking