SB2020082020 - Multiple vulnerabilities in Advanced Access Manager plugin for WordPress

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authorization (CVE-ID: N/A)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: 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/E:U/U:Green

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to incorrect processing of permissions. A remote authenticated user can send a specially crafted HTTP POST request to the wp-admin/profile.php with typical profile update parameters and appending a aam_user_roles[] parameter set to the role they would like to use.

2) Information disclosure (CVE-ID: N/A)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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

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

The vulnerability exists due to excessive data output by the application via the aam/v1/authenticate and aam/v2/authenticate REST endpoints. A remote user can gain unauthorized access to sensitive information.

Remediation

Install update from vendor's website.

References

• https://www.wordfence.com/blog/2020/08/high-severity-vulnerability-patched-in-advanced-access-manager/
• https://wpvulndb.com/vulnerabilities/10365/