SB2020062434 - Permissions, Privileges, and Access Controls in chromium (Alpine package)

Description

This security bulletin contains information about 1 vulnerability.

1) Universal cross-site scripting (CVE-ID: CVE-2020-6506)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green

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 in the Google Chrome WebView system component. The vulnerability allows cross-origin iframes to execute arbitrary JavaScript in the top-level document.

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.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=d458817a5891a75e29740a1cd6d29317691bdd10
• https://git.alpinelinux.org/aports/commit/?id=45f0d495cc9725bb39fdd397103625bf0d2e7c02