Use of Password Hash With Insufficient Computational Effort Affecting python2-ipaserver package, versions <0:4.6.8-5.el7_9.17


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.08% (38th percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHON2IPASERVER-7241575
  • published10 Jun 2024
  • disclosed10 Jun 2024

Introduced: 10 Jun 2024

CVE-2024-3183  (opens in a new tab)
CWE-916  (opens in a new tab)

How to fix?

Upgrade Centos:7 python2-ipaserver to version 0:4.6.8-5.el7_9.17 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python2-ipaserver package and not the python2-ipaserver package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A vulnerability was found in FreeIPA in a way when a Kerberos TGS-REQ is encrypted using the client’s session key. This key is different for each new session, which protects it from brute force attacks. However, the ticket it contains is encrypted using the target principal key directly. For user principals, this key is a hash of a public per-principal randomly-generated salt and the user’s password.

If a principal is compromised it means the attacker would be able to retrieve tickets encrypted to any principal, all of them being encrypted by their own key directly. By taking these tickets and salts offline, the attacker could run brute force attacks to find character strings able to decrypt tickets when combined to a principal salt (i.e. find the principal’s password).

CVSS Scores

version 3.1