SB2020011705 - Multiple vulnerabilities in WordPress Database Reset plugin

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Privilege Management (CVE-ID: CVE-2020-7047)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to the "wp_users" table does not check the user capabilities and lacks a security nonce. A remote user can send a specially crafted request, reset the "wp_users" table, drop all users from the user table and gain administrative privileges on the target system.

2) Improper Authentication (CVE-ID: CVE-2020-7048)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing capability checks or security nonces. A remote attacker can send a simple request and reset any table from the database to the initial WordPress set-up state.

Remediation

Install update from vendor's website.

References

• https://wordpress.org/plugins/wordpress-database-reset/#developers
• https://wpvulndb.com/vulnerabilities/10028
• https://www.wordfence.com/blog/2020/01/easily-exploitable-vulnerabilities-patched-in-wp-database-reset-plugin/
• https://wpvulndb.com/vulnerabilities/10027