CVE-2020-27790

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26	Patch Third Party Advisory
https://github.com/upx/upx/issues/331	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26	Patch Third Party Advisory
https://github.com/upx/upx/issues/331	Exploit Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:21

Type	Values Removed	Values Added
References	~~() https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 - Patch, Third Party Advisory~~	() https://github.com/upx/upx/commit/eb90eab6325d009004ffb155e3e33f22d4d3ca26 - Patch, Third Party Advisory
References	~~() https://github.com/upx/upx/issues/331 - Exploit, Issue Tracking, Patch, Third Party Advisory~~	() https://github.com/upx/upx/issues/331 - Exploit, Issue Tracking, Patch, Third Party Advisory

Information

Published : 2022-08-18 19:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27790

Mitre link : CVE-2020-27790

CVE.ORG link : CVE-2020-27790

JSON object : View

Products Affected

upx_project

upx

CWE

CWE-369

Divide By Zero

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