PT-2023-12432 · Upx+1 · Upx+1

Published 2023-03-24 · Updated 2023-10-22 · CVE-2021-43315

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions upx (affected versions not specified)

Description A heap-based buffer overflow was discovered in the upx software. The issue occurs when a generic pointer p points to an inaccessible address in the get le32() function. This problem is essentially caused in the PackLinuxElf32::elf lookup() function at p lx elf.cpp:5349.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

CVE-2021-43315

OPENSUSE-SU-2023:0088-1

ROSA-SA-2023-2260

Affected Products

Debian

Upx

References · 58

• 🔥 https://github.com/upx/upx/issues/380 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-43315 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43315 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-20805 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-23456 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43312 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2023:0088-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-43315 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43311 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43316 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43315 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43314 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43317 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-27788 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-43315 · Vendor Advisory