Home > Vulnerability Database > CVE-2020-27799

Mend.io Vulnerability Database

New vulnerability? Tell us about it!

CVE-2020-27799

Date: August 25, 2022

A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.

Language: C

Severity Score

7.8

Related Resources (5)

Url: https://github.com/upx/upx/issues/391

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-27799

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-27799

Url: https://security-tracker.debian.org/tracker/CVE-2020-27799

Url: https://www.mend.io/vulnerability-database/CVE-2020-27799

Severity Score

7.8

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

Do you need more information?

Contact Us