Vulnerabilities > CVE-2021-30500
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH 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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| OS | 1 | |
| OS | 1 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1948692
- https://bugzilla.redhat.com/show_bug.cgi?id=1948692
- https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc
- https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc
- https://github.com/upx/upx/issues/485
- https://github.com/upx/upx/issues/485