CVEvulnerability

CVE-2023-28853

6.5 MEDIUM Published 2023-04-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-04-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.7 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-74, CWE-90

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.

Affected configurations

• joinmastodon mastodon (>= 2.5.0 < 3.5.8) • joinmastodon mastodon (>= 4.0.0 < 4.0.4) • joinmastodon mastodon (>= 4.1.0 < 4.1.2)

Related

Weakness · CWE (2)

  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
  • CWE-90 Improper Neutralization of Special Elements used in an LDAP Query weakness

References