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CVE-2020-27802

Date: August 25, 2022

An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Language: C

Severity Score

5.5

Related Resources (4)

Url: https://github.com/upx/upx/issues/393

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-27802

Url: https://security-tracker.debian.org/tracker/CVE-2020-27802

Url: https://www.mend.io/vulnerability-database/CVE-2020-27802

Severity Score

5.5

Weakness Type (CWE)

Buffer Errors

CWE-119

Divide By Zero

CWE-369

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

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