CVE-2025-24531

CVSS 6.7 MEDIUMEPSS 0.2%CWE-393

In OpenSC pam_pkcs11 before 0.6.13, pam_sm_authenticate() wrongly returns PAM_IGNORE in many error situations (such as an error triggered by a smartcard before login), allowing authentication bypass.

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

Affected products

OpenSC project · pam_pkcs11

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References

https://github.com/OpenSC/pam_pkcs11/releases https://github.com/OpenSC/pam_pkcs11/security/advisories/GHSA-7mf6-rg36-qgch https://www.openwall.com/lists/oss-security/2025/02/06/3 http://www.openwall.com/lists/oss-security/2025/02/06/3 http://www.openwall.com/lists/oss-security/2025/02/06/7