Quantum Secular Labs / Blog / Advisories
CVE-2017-1000152: Mahara 15.04 before 15.04.7 and 15.10 before 15.10.3 running PHP 5.3 are vulnerable to one user being logged…
CVE-2017-1000152 is rated critical with a CVSS v3.0 base score of 9.8 and affects Mahara. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
Mahara 15.04 before 15.04.7 and 15.10 before 15.10.3 running PHP 5.3 are vulnerable to one user being logged in as another user on a separate computer as the same session ID is served. This situation can occur when a user takes an action that forces another user to be logged out of Mahara, such as an admin changing another user's account settings.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Affected products
- Mahara: 15.04 rc1; 15.04 rc2; 15.04.0; 15.04.1; 15.04.2; 15.04.3; 15.04.4; 15.04.5; 15.04.6; 15.10.0; 15.10.1; 15.10.2