SB2020032207 - Stored cross-site scripting in phpmyadmin (Alpine package)

Description

This security bulletin contains information about 1 vulnerability.

1) Stored cross-site scripting (CVE-ID: CVE-2020-10803)

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

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

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of table names. A remote user can create a specially crafted tablename, trick the victim to retrieve data from the malicious table and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

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=d1ca28236a0ac918327d8820c62f999334ae5425
• https://git.alpinelinux.org/aports/commit/?id=6968b89f72fd65cf6c2f9599cae37f8a0cb04f79