Vulnerability Bulletins

MSA-23-0005: Authenticated arbitrary file read through malformed backup file


System information

   
Affected software PHP

Description

by Michael Hawkins. Insufficient sanitizing in backup resulted in an arbitrary file read risk. The capability to access this feature is only available to teachers, managers and admins by default.Severity/Risk:SeriousVersions affected:4.1 to 4.1.1, 4.0 to 4.0.6, 3.11 to 3.11.12, 3.9 to 3.9.19 and earlier unsupported versionsVersions fixed:4.1.2, 4.0.7, 3.11.13 and 3.9.20Reported by:Vincent Schneider (cli-ish)Workaround:Remove restore activity/course capabilities until the patch is applied.CVE

More info:

https://moodle.org/mod/forum/discuss.php?d=445062&parent=1788895

Standar resources

Property Value
CVE CVE-2023-28330.

Version history

Version Comments Date
1.0 Advisory issued 2023-03-21
Ministerio de Defensa
CNI
CCN
CCN-CERT