Vulnerability Information
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Vulnerability Title
N/A
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 Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Kerberos KDC ‘pkinit_check_kdc_pkid()’ 空指针引用拒绝服务漏洞
Vulnerability Description
Kerberos是美国麻省理工学院（MIT）开发的一套网络认证协议，它采用客户端/服务器结构，并且客户端和服务器端均可对对方进行身份认证（即双重验证），可防止窃听、防止replay攻击等。 Kerberos 1.6.3以及更早的版本中存在漏洞，该漏洞源于src/plugins/preauth/pkinit/pkinit_crypto_openssl.c中‘pkinit_check_kdc_pkid()’函数中的KDC中存在空指针引用错误。攻击者可通过特制的数据包利用该漏洞导致KDC守护程序崩溃。成功的利用
CVSS Information
N/A
Vulnerability Type
N/A