// For flags

CVE-2013-1415

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

Severity Score

5.0
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

La función pkinit_check_kdc_pkid en plugins / PREAUTH / pkinit / pkinit_crypto_openssl.c en la aplicación PKINIT en el Centro de distribución de claves (KDC) en MIT Kerberos 5 (alias krb5) antes de v1.10.4 y 1.11.x antes de v1.11.1 no trata correctamente los errores durante la extracción de los campos de un certificado X.509, que permite a atacantes remotos provocar una denegación de servicio (desreferencia puntero NULL y la caída del demonio) a través de un formato incorrecto KRB5_PADATA_PK_AS_REQ AS-REQ petición.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2013-01-24 CVE Reserved
  • 2013-03-03 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mit
Search vendor "Mit"
Kerberos 5
Search vendor "Mit" for product "Kerberos 5"
< 1.10.4
Search vendor "Mit" for product "Kerberos 5" and version " < 1.10.4"
-
Affected
Mit
Search vendor "Mit"
Kerberos 5
Search vendor "Mit" for product "Kerberos 5"
1.11
Search vendor "Mit" for product "Kerberos 5" and version "1.11"
-
Affected
Opensuse
Search vendor "Opensuse"
Opensuse
Search vendor "Opensuse" for product "Opensuse"
11.4
Search vendor "Opensuse" for product "Opensuse" and version "11.4"
-
Affected