Improper access control in moodle Moodle

1) Improper access control

EUVDB-ID: #VU31037

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-10154

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

A flaw was found in Moodle before versions 3.7, 3.6.4. A web service fetching messages was not restricted to the current user's conversations.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 3.6.0 beta - 3.6.3

CPE2.3

• cpe:2.3:a:moodle_org:moodle:3.6.3:*:*:*:*:*:*:*

External links

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10154
https://moodle.org/mod/forum/discuss.php?d=386521

Q & A

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.