Vulnerability identifier: #VU83377

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-49060

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Firefox for iOS
Mobile applications / Apps for mobile phones

Vendor: Mozilla

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions through <a [referrerpolicy]> in ReaderMode. A local user can access internal pages or data  by ex-filtrating a security key from ReaderMode via the referrerpolicy attribute.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Firefox for iOS: 100.1 - 119.1

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External links
http://www.mozilla.org/security/advisories/mfsa2023-51/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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