CVE-2024-3183

Description

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 v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-916 CWE-916

Affected Products

Vendor	Product	Versions
redhat	enterprise_linux	All
redhat	enterprise_linux	All
redhat	enterprise_linux_aus	All
redhat	enterprise_linux_aus	All
redhat	enterprise_linux_aus	All
redhat	enterprise_linux_eus	All
redhat	enterprise_linux_tus	All
redhat	enterprise_linux_tus	All
redhat	enterprise_linux_update_services_for_sap_solutions	All
redhat	enterprise_linux_update_services_for_sap_solutions	All

References

Advisories & Patches

Other References

https://www.freeipa.org/release-notes/4-12-1.html https://lists.fedoraproject.org/archives/list/[email protected]/message/WT3JL7JQDIAFKKEFARWYES7GZNWGQNCI/ https://www.freeipa.org/release-notes/4-12-1.html

Frequently Asked Questions

What is CVE-2024-3183? +

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). It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2024-3183? +

CVE-2024-3183 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-3183? +

CVE-2024-3183 affects products from redhat, specifically: enterprise_linux, enterprise_linux_aus, enterprise_linux_eus, enterprise_linux_tus, enterprise_linux_update_services_for_sap_solutions. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-3183? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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