CVE-2020-27790 Detail

Current Description

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.

View Analysis Description

Analysis Description

A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to 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-369 Divide By Zero NIST   Red Hat, Inc.  

Change History

1 change records found show changes

Initial Analysis 8/23/2022 10:55:09 AM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:* versions up to (excluding) 3.96
Added CVSS V3.1
NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Added CWE
NIST CWE-369
Changed Reference Type
https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 No Types Assigned
https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 Patch, Third Party Advisory
Changed Reference Type
https://github.com/upx/upx/issues/331 No Types Assigned
https://github.com/upx/upx/issues/331 Exploit, Issue Tracking, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2020-27790
NVD Published Date:
08/18/2022
NVD Last Modified:
08/23/2022
Source:
Red Hat, Inc.