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.

Data is provided by the National Vulnerability Database (NVD)
Upx ≫ Upx Version4.0.0
Redhat ≫ Enterprise Linux Version7.0
Fedoraproject ≫ Fedora Version33
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.16% 0.334
CVSS Metriken
Source 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/issues/485
Third Party Advisory
Exploit
Issue Tracking