Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
MIT Kerberos 5 安全漏洞
Vulnerability Description
MIT Kerberos 5（又名krb5）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。 MIT krb5 1.12.2之前1.5.x至1.12.x版本的lib/gssapi/spnego/spnego_mech.c文件的‘SPNEGO’接收器中‘acc_ctx_cont’函数存在安全漏洞。使用SPNEGO安全协议期间，远程攻击者可通过发送空令牌利用该漏洞造成空指针逆向引用和应用
CVSS Information
N/A
Vulnerability Type
N/A