Vulnerability identifier: #VU43823
Vulnerability risk: Medium
CVSSv4.0: 2.7 [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/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Moodle
Web applications /
Other software
Vendor: moodle.org
Description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The Multi-Authentication feature in the Central Authentication Service (CAS) functionality in auth/cas/cas_form.html in Moodle 2.1.x before 2.1.6 and 2.2.x before 2.2.3 does not use HTTPS, which allows remote attackers to obtain credentials by sniffing the network.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Moodle: 2.1 - 2.1.5, 2.2 - 2.2.2
External links
https://git.moodle.org/gw?p=moodle.git;a=commit;h=895e76ea51c462c18ad66e0761ad76cd26a63ecf
https://openwall.com/lists/oss-security/2012/05/23/2
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.