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MIT Kerberos 5 DoS
Published:09.04.2013
Source:
SecurityVulns ID:12997
Type:remote
Threat Level:
5/10
Description:pkinit_crypto_openssl.c NULL pointer dereference
Affected:MIT : krb5 1.11
CVE: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 1.11.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.)

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