CVE-2021-42056

Thales Safenet Authentication Client (SAC) for Linux and Windows through 10.7.7 creates insecure temporary hid and lock files allowing a local attacker, through a symlink attack, to overwrite arbitrary files, and potentially achieve arbitrary command execution with high privileges.

CVSS v3 6.7 MEDIUM
CVSS v2.0 7.2 HIGH

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:thalesgroup:safenet_authentication_client:*:*:*:*:*:*:*:*

OR	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

06 Jul 2022, 14:15

Type	Values Removed	Values Added
CWE		CWE-59
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 6.7
First Time		Linux Microsoft Linux linux Kernel Thalesgroup safenet Authentication Client Thalesgroup Microsoft windows
References	~~(MISC) https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056 -~~	(MISC) https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056 - Exploit, Third Party Advisory
CPE		cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:o:linux:linux_kernel:-:::::::* cpe:2.3:a:thalesgroup:safenet_authentication_client::::::::

24 Jun 2022, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-06-24 17:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-42056

Mitre link : CVE-2021-42056

CVE.ORG link : CVE-2021-42056

JSON object : View

Products Affected

microsoft

windows

linux

linux_kernel

thalesgroup

safenet_authentication_client

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

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