Medium: krb5

Issue Overview: A flaw was found in the OTP kdcpreauth module of MIT Kerberos. A remote attacker could use this flaw to bypass the requirespreauth flag on a client principal and obtain a ciphertext encrypted in the principal's long-term key. This ciphertext could be used to conduct an off-line...

krb5: multiple issues

CVE-2014-5355 denial of service When a server process uses the krb5recvauth function, an unauthenticated remote attacker can cause a NULL dereference by sending a zero-byte version string, or a read beyond the end of allocated storage by sending a non-null-terminated version string. The example...

MIT Kerberos 5 recvauth Denial Of Service (CVE-2014-5355)

A denial of service vulnerability exists in MIT Kerberos 5. The vulnerability occurs when recvauthcommon calls krb5readmessage to receive and process a crafted message causing it to return an invalid string that later causes a NULL pointer dereference or an attempt to read beyond the end of a...

CVE-2014-5355

MIT Kerberos 5 aka krb5 through 1.13.1 incorrectly expects that a krb5readmessage data field is represented as a string ending with a '\0' character, which allows remote attackers to 1 cause a denial of service NULL pointer dereference via a zero-byte version string or 2 cause a denial of service...

CVE-2014-5355: Undefined Security Weakness

MIT Kerberos 5 aka krb5 through 1.13.1 incorrectly expects that a krb5readmessage data field is represented as a string ending with a '\0' character, which allows remote attackers to 1 cause a denial of service NULL pointer dereference via a zero-byte version string or 2 cause a denial of service...