Home/CVE/An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted M
CVE

CVE-2019-20053

An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted M

An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

MEDIUM · CVSS 5.5 EPSS 0.00349
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

3
upxall versions
opensuse backportsall versions
opensuse leapall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · issues/314github.com
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Dec 2019 · 10:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2024:11486-1
suse-csafopenSUSE-SU-2020:0180-1
suse-csafopenSUSE-SU-2020:0163-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlMailing ListThird Party Advisory
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