MIT Kerberos vulnerable to ticket splicing when using Kerberos4 triple DES service tickets

Overview Several cryptographic vulnerabilities exist in the basic Kerberos version 4 protocol that could allow an attacker to impersonate any user in a Kerberos realm and gain any privilege authorized through that Kerberos realm. Description The MIT Kerberos Development team has discovered a...

MITKRB5-SA-2003-004: Cryptographic weaknesses in Kerberos v4 protocol

-----BEGIN PGP SIGNED MESSAGE----- MIT krb5 Security Advisory 2003-004 2003-03-17 Topic: Cryptographic weaknesses in Kerberos v4 protocol Severity: CRITICAL SUMMARY ======= A cryptographic weakness in version 4 of the Kerberos protocol allows an attacker to use a chosen-plaintext attack to...

Qpopper 34 - Username Information Disclosure

Qpopper 34 - Username Information Disclosure source: https://www.securityfocus.com/bid/7110/info An information disclosure weakness has been reported for Qpopper when authenticating. The weakness is due to the fact that if a valid username is sent with a bad password, Qpopper will wait a small...

Qpopper 3/4 - 'Username' Information Disclosure

source: https://www.securityfocus.com/bid/7110/info An information disclosure weakness has been reported for Qpopper when authenticating. The weakness is due to the fact that if a valid username is sent with a bad password, Qpopper will wait a small amount of time prior to disconnecting the clien...

Man Program 1.5 - Unsafe Return Value Command Execution

Man Program 1.5 - Unsafe Return Value Command Execution source: https://www.securityfocus.com/bid/7066/info It has been reported that the man program does not properly handle some types of input. When a man page is processed that could pose a potential security risk, the program reacts in a way...

Yet another plaintext attack to ZIP encryption scheme.

Introduction ------------ The ZIP format is one of the most widely used compresion/archival programs on computers systems, its use is even more extended on Windows plataform, with WinZIP program. Known Attacks ------------- The PKZIP encryption scheme have been proved to be weak in a lot of paper...

PHP Topsites 2.2 - Multiple Vulnerabilities

PHP Topsites 2.2 - Multiple Vulnerabilities PHP Topsites Multiple Vulnerabilities Vendor: iTop 10 Product: PHP Topsites Version: tag of the description page, when submitting website, it may be possible to cause an administrator to edit or delete database entries. This issue will occur when an...

CVE-2002-1668

HP-UX 11.11 and earlier allows local users to cause a denial of service kernel deadlock, due to a "file system weakness" that is possibly via an mmap system call and performing an I/O operation using data from the mapped buffer on the file descriptor for the mapped file...

QNX 6.1 TimeCreate weakness

I've found bug in QNX-6.1 timer implementation. After creating some number at least 2 of timers with 1 ms tick system hangs. Please consider attached source code. Code can be executed by unprivilegged users. Pawel Pisarczyk ------------------------ IMMOS - IMMOrtal Systems...

Ingenium Learning Management System 5.1/6.1 - Reversible Password Hash

source: https://www.securityfocus.com/bid/5970/info Ingenium Learning Management System uses a weak algorithm to hash user and administrative credentials. Passwords may be trivially obtained by reversing the password hash. An attacker must be able to gain unauthorized access to the password hashe...

Symantec Norton Personal Firewall 2002/Kaspersky Labs Anti-Hacker 1.0/BlackIce Server Protection 3.5/BlackICE Defender 2.9 - Auto Block Denial of Service

source: https://www.securityfocus.com/bid/5917/info A weakness has been reported in some PC Firewall packages that could allow remote denial of service attacks. The problem is in the handling of spoofed traffic. Under some circumstances, it is possible for remote users to deny service to various...

Symantec Norton Personal Firewall 2002Kaspersky Labs Anti-Hacker 1.0BlackIce Server Protection 3.5BlackICE Defender 2.9 - Auto Block Denial of Service

Symantec Norton Personal Firewall 2002Kaspersky Labs Anti-Hacker 1.0BlackIce Server Protection 3.5BlackICE Defender 2.9 - Auto Block Denial of Service source: https://www.securityfocus.com/bid/5917/info A weakness has been reported in some PC Firewall packages that could allow remote denial of...

Midicart PHP - Arbitrary File Upload

Midicart PHP - Arbitrary File Upload source: https://www.securityfocus.com/bid/5855/info A problem with the default installation of Midicart PHP may make it possible for remote users to gain access to sensitive information. The default installation of Midicart PHP does not place sufficient access...

CVE-2002-0863

Remote Data Protocol RDP version 5.0 in Microsoft Windows 2000 and RDP 5.1 in Windows XP does not encrypt the checksums of plaintext session data, which could allow a remote attacker to determine the contents of encrypted sessions via sniffing, aka "Weak Encryption in RDP Protocol."...

Trillian Instant Messaging 0.x - Credential Encryption

// source: https://www.securityfocus.com/bid/5677/info The Trillian instant messaging client uses weak encryption to store saved authentication credentials for instant messaging services. The credentials are encrypted by using XOR with a static key that is used with every installation of the...

Advisory: DoS in WebEasyMail +more possible?

Author: Stan Bubrouski Date: August 19, 2002 Product: WebEasyMail Versions Affected: 3.4.2.2 Latest + previous Severity: Denial of Service on SMTP and POP3 portions of the software. It has not been investigated but there might be a possibility of exploitation to execute code remotely. Problem 1:...

iBill ibillpm.pl Password Generation Weakness

The remote host is running iBill, an internet billing application. Some versions of the 'ibillpm.pl' CGI use a weak password management system that can be brute-forced. No flaw was tested. Your script might be a safe version. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. Script audit and...

Certain implementations of SSH1 may reveal internal cryptologic state

Overview An implementation problem in at least one Secure Shell SSH product and a weakness in the PKCS11.5 public key encryption standard allows attackers to recover plaintext of messages encrypted with SSH. Description A weakness in some SSH products using the SSH1 protocol may allow an attacker...

VNC authentication weakness

VNC authentication weakness --------------------------- VNC uses a DES-encrypted challenge-response system to avoid passing passwords over the wire in plaintext. However, it seems that a weakness in the way the challenge is generated by some servers would make this useless. The following program...

Sun SunPCi II VNC Software 2.3 - Password Disclosure

// source: https://www.securityfocus.com/bid/5146/info The SunPCi II card is a co-processor for a number of Solaris based systems, and provides PC software compatibility, including the ability to run Microsoft Windows. Driver software is available for the SunPCi card, including a Virtual Network...