CVE-2020-27796 Detail

Undergoing Reanalysis


This vulnerability is currently undergoing reanalysis and not all information is available. Please check back soon to view the completed vulnerability summary.

Current Description

A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

View Analysis Description

Analysis Description

A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write NIST  
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Red Hat, Inc.  

Change History

1 change records found show changes

Initial Analysis 8/26/2022 11:11:25 PM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:a:upx_project:upx:4.0.0:*:*:*:*:*:*:*
Added CVSS V3.1
NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added CWE
NIST CWE-787
Changed Reference Type
https://github.com/upx/upx/issues/392 No Types Assigned
https://github.com/upx/upx/issues/392 Exploit, Issue Tracking, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2020-27796
NVD Published Date:
08/25/2022
NVD Last Modified:
08/26/2022
Source:
Red Hat, Inc.