SARA / Free Tools / CVE / CVE-2023-3326

CVE-2023-3326 — pam_krb5 authenticates a user by essentially running kinit with the password, ge

pam_krb5 authenticates a user by essentially running kinit with the password, getting a ticket-granting ticket (tgt) from the Kerberos KDC (Key Distribution Center) over the network, as a way to verify the password. However, if a keytab is not provisioned on the system, pam_krb5

CVSS
EPSS
42.00% (top 38.40%)
CWE
CWE-303
Published
2023-06-22T16:37:51.360Z
Last modified
2024-12-05T17:45:19.729Z
CVSS vector

01What is this vulnerability?

pam_krb5 authenticates a user by essentially running kinit with the password, getting a ticket-granting ticket (tgt) from the Kerberos KDC (Key Distribution Center) over the network, as a way to verify the password. However, if a keytab is not provisioned on the system, pam_krb5 has no way to validate the response from the KDC, and essentially trusts the tgt provided over the network as being…

02Affected products

VendorProductVersions
FreeBSDFreeBSD13.2-RELEASE, 13.1-RELEASE, 12.4-RELEASE

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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