CVE-2013-1415

krb5: PKINIT null pointer deref leads to DoS (pkinit_check_kdc_pkid())

Published Mar 3, 2013 CVSS 2.0 · 5.0 Medium EPSS 3.7% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2013-1453 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.
Ubuntu USN Ubuntu USN USN-2310-1 Kerberos vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 2:57 PM
Reserved
Jan 24, 2013, 12:00 AM
Status
Modified
Published
Mar 5, 2013, 5:05 AM
Modified
Jun 16, 2026, 11:51 PM
Severity
Moderate
Public date
Feb 15, 2013, 12:00 AM