CVE-2021-30500 - Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4

CVE-2021-30500

Summary

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.

References

https://github.com/upx/upx/issues/485
https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc
https://bugzilla.redhat.com/show_bug.cgi?id=1948692

Vulnerable Configurations

cpe:2.3:a:upx_project:upx:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:upx_project:upx:4.0.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

CVSS

Base:	6.8 (as of 08-06-2021 - 02:05)
Impact:
Exploitability:

CWE

CWE-476

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
PARTIAL	PARTIAL	PARTIAL

cvss-vector via4

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

Last major update

08-06-2021 - 02:05

Published

27-05-2021 - 00:15

Last modified

08-06-2021 - 02:05