CVE-2009-2410: fedorahosted sssd Improper Authentication

Vulnerability summary

CVE-2009-2410 is a high (CVSS 7.5) Improper Authentication vulnerability in fedorahosted sssd. EPSS estimates a 1.98% chance of exploitation in the next 30 days, higher than 80.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 30-07-2009
   PublishedVulnerability first disclosed.
2. 07-08-2024
   Last modifiedVulnerability information updated.

Description

The local_handler_callback function in server/responder/pam/pam_LOCAL_domain.c in sssd 0.4.1 does not properly handle blank-password accounts in the SSSD BE database, which allows context-dependent attackers to obtain access by sending the account's username, in conjunction with an arbitrary password, over an ssh connection.

• CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.