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)
Upx ≫ Upx Version 4.0.0
Redhat ≫ Enterprise Linux Version 7.0
Fedoraproject ≫ Fedora Version 33
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
NIST 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
NIST 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