LDAP Injection in Mastodon
CVE-2023-28853
Mastodon is a free, open-source social network server based on ActivityPub Mastodon allows configuration of LDAP for authentication. Starting in version 2.5.0 and prior to versions 3.5.8, 4.0.4, and 4.1.2, the LDAP query made during login…
EPSS: 0.011 (78.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Mastodon — versions >= 2.5.0, < 3.5.8, >= 4.0.0, < 4.0.4, >= 4.1.0, < 4.1.2
Weakness classification (CWE)
References
- https://github.com/mastodon/mastodon/security/advisories/GHSA-38g9-pfm9-gfqv (x_refsource_CONFIRM)
- https://github.com/mastodon/mastodon/pull/24379 (x_refsource_MISC)
- https://github.com/mastodon/mastodon/blob/94cbd808b5b3e7999c7e77dc724b7e8c9dd2bdec/app/models/concerns/ldap_authenticable.rb#L7-L14 (x_refsource_MISC)
- https://github.com/mastodon/mastodon/blob/94cbd808b5b3e7999c7e77dc724b7e8c9dd2bdec/config/initializers/devise.rb#L398-L414 (x_refsource_MISC)
- https://github.com/mastodon/mastodon/releases/tag/v3.5.8 (x_refsource_MISC)
- https://github.com/mastodon/mastodon/releases/tag/v4.0.4 (x_refsource_MISC)
- https://github.com/mastodon/mastodon/releases/tag/v4.1.2 (x_refsource_MISC)
- www.openwall.com/lists/oss-security/2023/07/06/6
Frequently asked questions
- What is CVE-2023-28853?
- CVE-2023-28853 is a high-severity vulnerability in Mastodon, classified under LDAP Injection. CVSS score: 7.7/10. Published 2023-04-04.
- How severe is CVE-2023-28853?
- High severity. CVSS v3 base score is 7.7 out of 10.