Vulnerabilities > CVE-2021-43311 - Out-of-bounds Write vulnerability in UPX Project UPX

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

upx-project

CWE-787

NVD

Published: 2023-03-24

Updated: 2023-03-28

Summary

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5382.

Vulnerable Configurations

Part	Description	Count
Application	Upx_Project UPX Project UPX - UPX Project UPX 1.10 UPX Project UPX 1.11 UPX Project UPX 1.90 UPX Project UPX 1.91 UPX Project UPX 1.92 UPX Project UPX 1.93 UPX Project UPX 1.94 UPX Project UPX 1.95 UPX Project UPX 1.96 UPX Project UPX 2.00 UPX Project UPX 2.01 UPX Project UPX 2.90 UPX Project UPX 2.91 UPX Project UPX 2.92 UPX Project UPX 2.93 UPX Project UPX 3.00 UPX Project UPX 3.01 UPX Project UPX 3.02 UPX Project UPX 3.03 UPX Project UPX 3.04 UPX Project UPX 3.05 UPX Project UPX 3.06 UPX Project UPX 3.07 UPX Project UPX 3.08 UPX Project UPX 3.09 UPX Project UPX 3.91 UPX Project UPX 3.92 UPX Project UPX 3.93 UPX Project UPX 3.94 UPX Project UPX 3.95 UPX Project UPX 3.96	32

Common Weakness Enumeration (CWE)

CWE-787 - Out-of-bounds Write

References

https://github.com/upx/upx/issues/380