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CVE-2019-20053

Good to know:

Date: December 27, 2019

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.

Language: C

Severity Score

5.5

Related Resources (8)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-20053

Url: http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html

Url: https://github.com/upx/upx/issues/314

Url: https://security.alpinelinux.org/vuln/CVE-2019-20053

Url: http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html

Url: https://security-tracker.debian.org/tracker/CVE-2019-20053

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-20053

Url: https://www.mend.io/vulnerability-database/CVE-2019-20053

Severity Score

5.5

Weakness Type (CWE)

Buffer Errors

CWE-119

Input Validation

CWE-20

Top Fix

Upgrade Version

Upgrade to version v3.96

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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