CVE-2021-20285 Detail

Current Description

A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.

View Analysis Description

Analysis Description

A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.

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-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 3/29/2021 12:36:07 PM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:a:upx_project:upx:3.96:*:*:*:*:*:*:*
Added CVSS V2
NIST (AV:N/AC:M/Au:N/C:P/I:P/A:C)
Added CVSS V2 Metadata
Victim must voluntarily interact with attack mechanism
Added CVSS V3.1
NIST AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Changed Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=1937787 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=1937787 Issue Tracking, Third Party Advisory
Changed Reference Type
https://github.com/upx/upx/issues/421 No Types Assigned
https://github.com/upx/upx/issues/421 Exploit, Issue Tracking, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-20285
NVD Published Date:
03/26/2021
NVD Last Modified:
03/29/2021
Source:
Red Hat, Inc.