Spoofing attack in firefox-esr (Alpine package)

1) Spoofing attack

EUVDB-ID: #VU18563

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-2019-11698

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of drag and drop operations. A remote attacker can create a specially crafted hyperlink that when dragged and dropped to the bookmark bar or sidebar and the resulting bookmark is subsequently dragged and dropped into the web content area, an arbitrary query of a user's browser history can be run and transmitted to the content page via drop event data.

Successful exploitation of the vulnerability may allow an attacker to steal user's browser history.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 60.4.0-r0 - 60.6.2-r0

External links

http://git.alpinelinux.org/aports/commit/?id=19d91779a5cd79292c972f6acdf04ef87ed7379e
http://git.alpinelinux.org/aports/commit/?id=5d004d13d3cfbb28cda2846e1c88900d5a8d1040

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.