Information disclosure in firefox (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15655
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 firefox (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU32900

Risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15655

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists in the Extension APIs. A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

firefox (Alpine package): 78.0.2-r1

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=ecfc67fc0aa1c8be66b005da45f868c730633a4e
https://git.alpinelinux.org/aports/commit/?id=78431c6461742f7904f5cd815bbed5f76852a8aa
https://git.alpinelinux.org/aports/commit/?id=d28edc9bebe787d7cff81e5dc7200f5b78fd3797


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.



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