CVE-2013-1835: Moodle's login_as feature leaks information from external repositories
Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the loginas feature.
Other sources
Moodle's loginas feature leaks information from external repositories
— Packagist
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/moodle/moodleto a version that resolves this vulnerability.Fixed in 2.4.2 - Upgrade
Upgrade
composer/moodle/moodleto a version that resolves this vulnerability.Fixed in 2.3.5 - Upgrade
Upgrade
composer/moodle/moodleto a version that resolves this vulnerability.Fixed in 2.2.8
Event History
Frequently Asked Questions
What is the severity of CVE-2013-1835?
CVE-2013-1835 is classified as a moderate severity vulnerability due to its potential for unauthorized access to sensitive user information.
How do I fix CVE-2013-1835?
To fix CVE-2013-1835, you should upgrade to Moodle versions 2.4.2, 2.3.5, or 2.2.8 or later.
Who is affected by CVE-2013-1835?
CVE-2013-1835 affects Moodle versions 2.x up to 2.4.1, specifically allowing authenticated administrators to access external repositories.
What are the implications of CVE-2013-1835?
The implications of CVE-2013-1835 include potential exposure of sensitive information from external repositories of users.
Is there a specific workaround for CVE-2013-1835?
There is no specific workaround for CVE-2013-1835; the recommended solution is to update to the secured versions.