CVE-2006-4436

isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations SA with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection...

FreeBSD : openvpn -- arbitrary code execution on client through malicious or compromised server (6129fdc7-6462-456d-a3ef-8fc3fbf44d16)

James Yonan reports : A format string vulnerability in the foreignoption function in options.c could potentially allow a malicious or compromised server to execute arbitrary code on the client. Only non-Windows clients are affected. The vulnerability only exists if a the client's TLS negotiation...

[SECURITY] [DSA 1042-1] New Cyrus SASL packages fix denial of service

-------------------------------------------------------------------------- Debian Security Advisory DSA 1042-1 [email protected] http://www.debian.org/security/ Martin Schulze April 25th, 2006 http://www.debian.org/security/faq -...

CVE-2006-1721

digestmd5.c in the CMU Cyrus Simple Authentication and Security Layer SASL library 2.1.18, and possibly other versions before 2.1.21, allows remote unauthenticated attackers to cause a denial of service segmentation fault via malformed inputs in DIGEST-MD5 negotiation...

cyrus-sasl -- DIGEST-MD5 Pre-Authentication Denial of Service

Unspecified vulnerability in the CMU Cyrus Simple Authentication and Security Layer SASL library, has unknown impact and remote unauthenticated attack vectors, related to DIGEST-MD5 negotiation...

Code injection

The SASL negotiation in Jabber Studio jabberd before 2.0s11 allows remote attackers to cause a denial of service "c2s segfault" by sending a "response stanza before an auth stanza"...

CVE-2006-1329

The SASL negotiation in Jabber Studio jabberd before 2.0s11 allows remote attackers to cause a denial of service "c2s segfault" by sending a "response stanza before an auth stanza"...

CVE-2006-1329

The SASL negotiation in Jabber Studio jabberd before 2.0s11 allows remote attackers to cause a denial of service "c2s segfault" by sending a "response stanza before an auth stanza"...

CVE-2006-1329

The SASL negotiation in Jabber Studio jabberd before 2.0s11 allows remote attackers to cause a denial of service "c2s segfault" by sending a "response stanza before an auth stanza"...

Ubuntu 4.10 / 5.04 / 5.10 : ipsec-tools vulnerability (USN-221-1)

The Oulu University Secure Programming Group discovered a remote Denial of Service vulnerability in the racoon daemon. When the daemon is configured to use aggressive mode, then it did not check whether the peer sent all required payloads during the IKE negotiation phase. A malicious IPsec peer...

Ubuntu 4.10 / 5.04 : apache2, libapache-mod-ssl vulnerabilities (USN-177-1)

Apache did not honour the 'SSLVerifyClient require' directive within a block if the surrounding block contained a directive 'SSLVerifyClient optional'. This allowed clients to bypass client certificate validation on servers with the above configuration. CAN-2005-2700 Filip Sneppe discovered a...

CVE-2005-3426

Cisco CSS 11500 Content Services Switch CSS with SSL termination services allows remote attackers to cause a denial of service memory corruption and device reload via a malformed client certificate during SSL session negotiation...

CVE-2005-3426

Cisco CSS 11500 Content Services Switch (CSS) with SSL termination services is affected by CVE-2005-3426. The vulnerability allows remote attackers to trigger a denial of service via memory corruption during SSL session negotiation when a malformed client certificate is presented. The entry notes...

openvpn -- arbitrary code execution on client through malicious or compromised server

James Yonan reports: A format string vulnerability in the foreignoption function in options.c could potentially allow a malicious or compromised server to execute arbitrary code on the client. Only non-Windows clients are affected. The vulnerability only exists if a the client's TLS negotiation...

JVN#23632449: OpenSSL version rollback vulnerability

Impact When performing communication through a path controlled by an attacker using OpenSSL, the attacker conducting a man-in-the-middle MITM attack can force a client and a server to negotiate the SSL 2.0 protocol even if these parties both support SSL 3.0 or TLS 1.0 to intercept or alter data...

USN-177-1: Apache 2 vulnerabilities

Apache did not honour the "SSLVerifyClient require" directive within a block if the surrounding block contained a directive "SSLVerifyClient optional". This allowed clients to bypass client certificate validation on servers with the above configuration. CAN-2005-2700 Filip Sneppe discovered a...

TLSv1 Traffic Negotiation Detection

Binary data 2791.prm...

SSLv3 Traffic Negotiation Detection

Binary data 2792.prm...

CVE-2002-1623

The design of the Internet Key Exchange IKE protocol, when using Aggressive Mode for shared secret authentication, does not encrypt initiator or responder identities during negotiation, which may allow remote attackers to determine valid usernames by 1 monitoring responses before the password is...

CURL-CVE-2005-0490 Authentication Buffer Overflows

Due to bad usage of the base64 decode function to a stack-based buffer without checking the data length, it was possible for a malicious HTTP server to overflow the client during NTLM negotiation and for an FTP server to overflow the client during krb4 negotiation. The announcement of this flaw w...