Multiple vulnerabilities in Mozilla Focus for iOS



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-0605
CVE-2024-0606
CWE-ID CWE-254
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Focus for iOS
Client/Desktop applications / Web browsers

Vendor Mozilla

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Security features bypass

EUVDB-ID: #VU85809

Risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-0605

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a race condition in javascript: URI with a setTimeout running on top origin sites. A remote attacker can  execute arbitrary scripts on top origin sites in urlbar and compromise any loaded page.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Focus for iOS: 2.0 - 121.0

CPE2.3 External links

http://bugzilla.mozilla.org/show_bug.cgi?id=1855575
http://www.mozilla.org/security/advisories/mfsa2024-03/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Universal cross-site scripting

EUVDB-ID: #VU85811

Risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-0606

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when using window.open() method. A remote attacker can execute arbitrary HTML and script code in user's browser in context of any website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Focus for iOS: 2.0 - 121.0

CPE2.3 External links

http://bugzilla.mozilla.org/show_bug.cgi?id=1855030
http://www.mozilla.org/security/advisories/mfsa2024-03/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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