CVE-2021-25263

Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.

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://yandex.com/bugbounty/i/hall-of-fame-browser/	Vendor Advisory
https://yandex.com/bugbounty/i/hall-of-fame-browser/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:yandex:yandex_browser:*:*:*:*:*:windows:*:*

History

No history.

Information

Published : 2021-08-17 19:15

Updated : 2024-11-21 05:54

NVD link : CVE-2021-25263

Mitre link : CVE-2021-25263

CVE.ORG link : CVE-2021-25263

JSON object : View

Products Affected

yandex

yandex_browser

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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