SB2016102601 - Multiple vulnerabilities in Joomla!
Published: October 26, 2016
Security Bulletin ID
SB2016102601
CSH Severity
High
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Privilege escalation (CVE-ID: CVE-2016-8870)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to bypass security restrictions.
The weakness is due to unknown error and lets a remote attacker register on the website even if registration is disabled.
2) Privilege escalation (CVE-ID: CVE-2016-8869)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to bypass security restrictions and gain elevated privileges on the application.
The weakness is due to unknown error and lets a remote attacker register on the website as a member of group with elevated privileges.
Successful exploitation of the vulnerability results in privilege escalation.
Remediation
Install update from vendor's website.