CVE-2020-27383

Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an "Authenticated User" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the "Authenticated Users Group" which grants the (F) Flag aka "Full Control"

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/FreySolarEye/CVE/blob/master/Battle%20Net%20Launcher%20Local%20Privilege%20Escalation	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:blizzard:battle.net:1.27.1.12428:*:*:*:*:*:*:*

History

17 Jun 2021, 18:28

Type	Values Removed	Values Added
References	~~(MISC) https://github.com/FreySolarEye/CVE/blob/master/Battle%20Net%20Launcher%20Local%20Privilege%20Escalation -~~	(MISC) https://github.com/FreySolarEye/CVE/blob/master/Battle%20Net%20Launcher%20Local%20Privilege%20Escalation - Exploit, Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8
CWE		CWE-281
CPE		cpe:2.3:a:blizzard:battle.net:1.27.1.12428:::::::*

09 Jun 2021, 19:22

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-06-09 19:15

Updated : 2024-02-04 21:47

NVD link : CVE-2020-27383

Mitre link : CVE-2020-27383

CVE.ORG link : CVE-2020-27383

JSON object : View

Products Affected

blizzard

battle.net

CWE

CWE-281

Improper Preservation of Permissions

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