PT-2018-10421 · Upx Team+2 · Upx+2

Math1Aso · Published 2018-05-18 · Updated 2025-04-11 · CVE-2018-11243

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions UPX version 3.95

Description The issue allows remote attackers to cause a denial of service, limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file. This is due to a double free error in the PackLinuxElf64::unpack function in p lx elf.cpp.

Recommendations For UPX version 3.95, consider updating to a newer version that addresses this issue, as the current version may allow for denial of service or other unspecified impacts due to the double free error in the PackLinuxElf64::unpack function.

Exploit

Fix

DoS

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

ALT-PU-2020-2910

ALT-PU-2020-2930

CVE-2018-11243

MGASA-2020-0096

OPENSUSE-SU-2020:0162-1

OPENSUSE-SU-2020:0163-1

OPENSUSE-SU-2020:0179-1

OPENSUSE-SU-2020:0180-1

OPENSUSE-SU-2020_0162-1

OPENSUSE-SU-2020_0163-1

OPENSUSE-SU-2024:11477-1

OPENSUSE-SU-2024:11486-1

Affected Products

Alt Linux

Suse

Upx

References · 97

• 🔥 https://github.com/upx/upx/issues/207 · Exploit
• 🔥 https://github.com/upx/upx/issues/206 · Exploit
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27787 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00008.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11243 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00001.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27790 · Security Note
• https://osv.dev/vulnerability/CVE-2018-11243 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20053 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11486-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15056 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2020:0180-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24119 · Security Note