CVE-2023-28853 | BDVDB-2026-199207 Detail
mastodonmastodon
Description#
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 is insecure and the attacker can perform LDAP injection attack to leak arbitrary attributes from LDAP database. This issue is fixed in versions 3.5.8, 4.0.4, and 4.1.2.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.
Weaknesses#
- CWE-90 Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
References#
- https://github.com/mastodon/mastodon/security/advisories/GHSA-38g9-pfm9-gfqv
- https://github.com/mastodon/mastodon/pull/24379
- https://github.com/mastodon/mastodon/blob/94cbd808b5b3e7999c7e77dc724b7e8c9dd2bdec/app/models/concerns/ldap_authenticable.rb#L7-L14
- https://github.com/mastodon/mastodon/blob/94cbd808b5b3e7999c7e77dc724b7e8c9dd2bdec/config/initializers/devise.rb#L398-L414
- https://github.com/mastodon/mastodon/releases/tag/v3.5.8
- https://github.com/mastodon/mastodon/releases/tag/v4.0.4
- https://github.com/mastodon/mastodon/releases/tag/v4.1.2
- http://www.openwall.com/lists/oss-security/2023/07/06/6
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.