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MitreCVE-2020-24003

HistoryJan 11, 2021 - 4:15 p.m.

CVE-2020-24003

2021-01-1116:15:14

mitre

web.nvd.nist.gov

microsoft skype

macos

camera access

microphone access

local process

security vulnerability

cve-2020-24003

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

3.8

Confidence

High

EPSS

Percentile

14.0%

JSON

Microsoft Skype through 8.59.0.77 on macOS has the disable-library-validation entitlement, which allows a local process (with the user’s privileges) to obtain unprompted microphone and camera access by loading a crafted library and thereby inheriting Skype Client’s microphone and camera access.

Affected configurations

Nvd

Node

microsoftskypeRange≤8.59.0.77macos

VendorProductVersionCPE
microsoftskype*cpe:2.3:a:microsoft:skype:*:*:*:*:*:macos:*:*

Vendor	Product	Version	CPE
microsoft	skype	*	cpe:2.3:a:microsoft:skype::::::macos::*

References

www.hdwsec.fr/blog/20200608-skype/

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

3.8

Confidence

High

EPSS

Percentile

14.0%

JSON

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