Unauthorized Script Execution Vulnerability in Focus for iOS
CVE-2024-1563

8.1HIGH

Key Information:

Vendor
Mozilla
Status
Focus For Ios
Vendor
CVE Published:
22 February 2024

Summary

This vulnerability allows an attacker to execute unauthorized scripts on top origin sites by manipulating a JavaScript URI when opening an external URL via a custom Firefox scheme and leveraging a timeout race condition. The flaw predominantly affects Focus for iOS versions prior to 122, posing significant security concerns for users.

Affected Version(s)

Focus for iOS < 122

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1863831
https://www.mozilla.org/security/advisories/mfsa2024-09/

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

James Lee
.