MEDIUM · 5.0

CVE-2013-1415

The pkinit_check_kdc_pkid function in plugins/preauth/pkinit/pkinit_crypto_openssl.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 and 1....

Vulnerability Description

The pkinit_check_kdc_pkid function in plugins/preauth/pkinit/pkinit_crypto_openssl.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 and 1.11.x before 1.11.1 does not properly handle errors during extraction of fields from an X.509 certificate, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed KRB5_PADATA_PK_AS_REQ AS-REQ request.

CVSS Score

5.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P
Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL

Affected Products

VendorProductVersions
MitKerberos 5< 1.10.4
OpensuseOpensuse11.4

Related Weaknesses (CWE)

References

FAQ

What is CVE-2013-1415?

CVE-2013-1415 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The pkinit_check_kdc_pkid function in plugins/preauth/pkinit/pkinit_crypto_openssl.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 and 1....

How severe is CVE-2013-1415?

CVE-2013-1415 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2013-1415?

Check the references section above for vendor advisories and patch information. Affected products include: Mit Kerberos 5, Opensuse Opensuse.