Vulnerability identifier: #VU69329

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-45413

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

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

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to an error when handling SameSite cookies. Using the S.browser_fallback_url parameter, a remote attacker can redirect victim to a malicious URL and obtain the SameSite=Strict cookies.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Firefox for Android: 100.1.0 - 106.1.0

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-47/

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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