8.1high

CVE-2018-1137

Moodle Portfolio script allows instantiation of class chosen by user

Also known as GHSA-vxqh-mx28-7ghw

Published 8 y ago · modified 4 mo ago · JSON

CVSS
8.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 77%
Public exploits
0
none known

Summary

An issue was discovered in Moodle 3.x. By substituting URLs in portfolios, users can instantiate any class. This can also be exploited by users who are logged in as guests to create a DDoS attack.

Exploit prediction (EPSS)

1.71% probability of exploitation in the next 30 days, higher than 77% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.1CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
NVD2.05.5AV:N/AC:L/Au:S/C:N/I:P/A:P
GitHub3.08.1CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected packages

EcosystemPackageAffectedFixed in
packagistmoodle/moodle
>=3.1, <3.1.12
>=3.2, <3.2.9
>=3.3, <3.3.6
>=3.4, <3.4.3
3.1.12
3.2.9
3.3.6
3.4.3

Affected products

  • n/a Moodle 3.x unknown

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.