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MitreCVE-2021-42056

HistoryJun 24, 2022 - 5:15 p.m.

CVE-2021-42056

2022-06-2417:15:08

CWE-59

mitre

web.nvd.nist.gov

thales

sac

10.7.7

security vulnerability

local attack

arbitrary command execution

symlink attack

file overwrite

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

Percentile

14.2%

JSON

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.

Affected configurations

Nvd

Node

linuxlinux_kernelMatch-

microsoftwindowsMatch-

AND

thalesgroupsafenet_authentication_clientRange≤10.7.7

VendorProductVersionCPE
linuxlinux_kernel-cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
thalesgroupsafenet_authentication_client*cpe:2.3:a:thalesgroup:safenet_authentication_client:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	-	cpe:2.3:o:linux:linux_kernel:-:::::::*
microsoft	windows	-	cpe:2.3:o:microsoft:windows:-:::::::*
thalesgroup	safenet_authentication_client	*	cpe:2.3:a:thalesgroup:safenet_authentication_client::::::::

References

github.com/z00z00z00/Safenet_SAC_CVE-2021-42056

Social References

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

Percentile

14.2%

JSON

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