Vulnerability DatabaseCVE-2020-27797
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CVE-2020-27797
August 25, 2022
An invalid memory address reference was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
Related Resources (2)
https://security-tracker.debian.org/tracker/CVE-2020-27797
https://github.com/upx/upx/issues/390
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CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Release of Invalid Pointer or Reference
CWE-763
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119
EPSS
Base Score:
0.13