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CVE-2013-1415

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Date: March 2, 2013

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.

Language: C

Severity Score

Related Resources (11)

http://lists.opensuse.org/opensuse-updates/2013-03/msg00090.html
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7577
https://access.redhat.com/security/cve/CVE-2013-1415
http://secunia.com/advisories/55040
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7570
https://github.com/krb5/krb5/commit/f249555301940c6df3a2cdda13b56b5674eebc2e
http://www.mandriva.com/security/advisories?name=MDVSA-2013:157
https://nvd.nist.gov/vuln/detail/CVE-2013-1415
http://web.mit.edu/kerberos/www/krb5-1.11/
http://web.mit.edu/kerberos/www/krb5-1.10/
https://www.mend.io/vulnerability-database/CVE-2013-1415

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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