PT-2023-12434 · Upx+1 · Upx+1

Published 2023-03-24 · Updated 2023-10-22 · CVE-2021-43317

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 arises when the generic pointer 'p' points to an inaccessible address in the get le32() function. This problem is essentially caused by the PackLinuxElf64::elf lookup() function at p lx elf.cpp:5404.

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-2021-43317

OPENSUSE-SU-2023:0088-1

ROSA-SA-2023-2260

Affected Products

Debian

Upx

References · 57

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