CVE-2021-44751 - F-Secure SAFE Browser vulnerable to USSD attacks

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MEDIUM

F-Secure SAFE Browser vulnerable to USSD attacks

Published Mar 25, 2022

5.3

MEDIUM

CVSS 3.1

EPSS 0.57%

Description

A vulnerability affecting F-Secure SAFE browser was discovered. A maliciously crafted website attached with USSD code in JavaScript or iFrame can trigger dialer application from F-Secure browser which can be exploited by an attacker to send unwanted USSD messages or perform unwanted calls. In most modern Android OS, dialer application will require user interaction, however, some older Android OS may not need user interaction.

Affected products

Vendor F-Secure Product F-Secure SAFE Browser for Android Version 18.5 & below Default
n/a
- Version
  18.5
  Status
  affected
  Constraints
  <18.6

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

F-Secure

F-Secure SAFE Browser for Android Version 18.5 & below

n/a

Version	Status	Constraints
18.5	affected	<18.6

Remediation

Vendor solution

FIX : A fix has been released in the automatic update channel since 22nd, March 2022. No user action is required.

Weaknesses (1)

CWE-276

Incorrect Default Permissions

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-31566
Advisory
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
x_refsource_MISCNot Applicable

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-31566		Advisory
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame		x_refsource_MISCNot Applicable