2.Vulnerablity description
3.Vulnerable systems
4.Vendor Information, solutions and workarounds
5.Credits
6.Technical description
6.1.NTLMv1 authentication protocol
6.2.The Flaws
6.3.Detecting if the SMB service generates duplicate 8-byte challenges
6.4.Exploiting duplicate challenges
6.4.1.Proof-of-Concept Exploit
6.5.Predicting challenges
fragile architecture abound, and even when protocols and
implementations themselves are sound, research indicates browser user
interfaces continue to leave room for serious attacks.
This paper explores how the seldom-used HTTP digest authentication
protocol can be used to mitigate certain recent forms of attack,
including SSL/TLS renegotiation and some types of HTTP request
smuggling.
...
2.4.8.x-FIPS, 2.5.x, 3.1.x, 3.2.x, 3.3.1.x, and 3.3.2.x versions
DETAILS
Extensible Authentication Protocol (EAP) is a framework used for
authentication in wireless and
point-point connections (RFC 3748). Aruba Mobility Controller accepts
EAP frames on both wireless
interfaces (via its thin APs) and wired interfaces (via devices
connected to untrusted physical
Internet. The programs are based on a shared library distributed with
package, which you can use with your own software. Most importantly,
the virus database is kept up to date.
kerberos5
(MIT) Kerberos is a network authentication protocol. It is designed to
provide strong authentication for client/server applications by using
secret-key cryptography. A free implementation of this protocol is
available from the Massachusetts Institute of Technology. Kerberos is
available in many commercial products as well.
Each Cyrus SASL authentication method has a different context data
structure layout. Because of these differences, the bits from the
CRAM-MD5 method's context data structure will not work as intended
with the DIGEST-MD5 method. As shown in the stack trace below, the
Postfix SMTP server process crashes in "step 2" of the DIGEST-MD5
authentication protocol. This happens while attempting to read from
a pointer that contains an invalid address.
In this particular example, the Postfix SMTP server crashes while
running under control of the GDB debugger (see the Postfix master(5)
manpage discussion of the -D option), while processing the SMTP
3. Problem Description
a. Service Console package krb5 update to version krb5-1.2.7-70
Kerberos is a network authentication protocol. It is designed to
provide strong authentication for client/server applications by
using secret-key cryptography.
An input validation flaw in the asn1_decode_generaltime function in
MIT Kerberos 5 before 1.6.4 allows remote attackers to cause a
original advisory is available at:
http://www.securityfocus.com/archive/1/495937/30/0/threaded
A specially crafted Remote Authentication Dial In User Service
(RADIUS) Extensible Authentication Protocol (EAP) Message Attribute
packet sent to the Cisco Secure Access Control Server (ACS) can crash
the CSRadius and CSAuth processes of Cisco Secure ACS. Because this
affects CSAuth all authentication requests via RADIUS or TACACS+ will
be affected during exploitation of this vulnerability.
** see VMSA-2010-0004
d. Service Console update for krb5 to 1.6.1-36.el5_4.1 and pam_krb5 to
2.2.14-15.
Kerberos is a network authentication protocol. It is designed to
provide strong authentication for client/server applications by
using secret-key cryptography.
Multiple integer underflows in the AES and RC4 functionality in the
crypto library could allow remote attackers to cause a denial of