Improper Restriction of Excessive Authentication Attempts Affecting lemonldap-ng package, versions <2.0.11+ds-4


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.68% (74th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LEMONLDAPNG-1325084
  • published23 Jul 2021
  • disclosed30 Jul 2021

Introduced: 23 Jul 2021

CVE-2021-35472  (opens in a new tab)
CWE-307  (opens in a new tab)

How to fix?

Upgrade Debian:unstable lemonldap-ng to version 2.0.11+ds-4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lemonldap-ng package and not the lemonldap-ng package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An issue was discovered in LemonLDAP::NG before 2.0.12. Session cache corruption can lead to authorization bypass or spoofing. By running a loop that makes many authentication attempts, an attacker might alternately be authenticated as one of two different users.

CVSS Base Scores

version 3.1