7.7

CVE-2023-28853

Exploit

Mastodon's blind LDAP injection in login allows the attacker to leak arbitrary attributes from LDAP database

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
JoinmastodonMastodon Version >= 2.5.0 < 3.5.8
JoinmastodonMastodon Version >= 4.0.0 < 4.0.4
JoinmastodonMastodon Version >= 4.1.0 < 4.1.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.28% 0.662
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
security-advisories@github.com 7.7 3.1 4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

CWE-90 Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')

The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component.

http://www.openwall.com/lists/oss-security/2023/07/06/6
https://github.com/mastodon/mastodon/blob/94cbd808b5b3e7999c7e77dc724b7e8c9dd2bdec/app/models/concerns/ldap_authenticable.rb#L7-L14
Product
https://github.com/mastodon/mastodon/blob/94cbd808b5b3e7999c7e77dc724b7e8c9dd2bdec/config/initializers/devise.rb#L398-L414
Product
https://github.com/mastodon/mastodon/pull/24379
Patch
https://github.com/mastodon/mastodon/releases/tag/v3.5.8
Release Notes
https://github.com/mastodon/mastodon/releases/tag/v4.0.4
Release Notes
https://github.com/mastodon/mastodon/releases/tag/v4.1.2
Release Notes
https://github.com/mastodon/mastodon/security/advisories/GHSA-38g9-pfm9-gfqv
Vendor Advisory
Exploit