Vulnerability 70907 - CERT Civis.Net

Vulnerability Name:

CCN-70907

Published:

2011-10-18

Updated:

2011-10-18

Summary:

Moodle could allow a remote attacker to bypass security restrictions, caused by improper validation of authentication cookies by auth.php and sessionlib.php scripts. By modifying the usesid cookie parameter, a remote attacker could exploit this vulnerability to bypass security restrictions and gain unauthorized access to the vulnerable application.

CVSS v3 Severity:

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
6.5 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:H/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial