PT-2022-11318 · Unknown · Lemonldap::Ng

Maxbes + 1 · CVE-2021-40874 · Published 2022-07-17 · Updated 2024-11-13

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions LemonLDAP::NG version 2.0.13

Description An issue was discovered in LemonLDAP::NG when using the RESTServer plug-in for a REST password validation service and the Kerberos authentication method combined with another method using the Combination authentication plug-in. In this scenario, any password will be recognized as valid for an existing user.

Recommendations For LemonLDAP::NG version 2.0.13, consider disabling the Combination authentication plug-in or the Kerberos authentication method as a temporary workaround until a patch is available. Restrict access to the REST password validation service to minimize the risk of exploitation.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2021-40874

Affected Products

Lemonldap::Ng

References · 11

• 🔥 https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2612 · Exploit
• https://cve.org/CVERecord?id=CVE-2021-40874 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-40874 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-40874 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-40874 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-40874 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40874 · Security Note
• https://osv.dev/vulnerability/CVE-2021-40874 · Vendor Advisory
• https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/66946e8f754812b375768c2124937137c856fe0c · Note
• https://twitter.com/transilienceai/status/1856752359369769253 · Twitter Post
• https://twitter.com/transilienceai/status/1856752348233961555 · Twitter Post