EUVD-2014-3550

The ssl23getclienthello function in s23srvr.c in OpenSSL 0.9.8zc, 1.0.0o, and 1.0.1j does not properly handle attempts to use unsupported protocols, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via an unexpected handshake, as demonstrated by...

Mozilla to Support Certificate Transparency in Firefox

Mozilla is planning to add support for Certificate Transparency checks in Firefox in the near future, but the company says that the feature won’t be turned on by default at first. Certificate Transparency is a proposal from engineers at Google that would help resolve some of the issues with...

CVE-2 0 1 4-6 3 2 1 schannel heap overflow vulnerability analysis-vulnerability warning-the black bar safety net

0x00 background MS14-0 6 6 CVE-2 0 1 4-6 3 2 1 is present in Microsoft's schannel. dll in the TLS heap buffer overflow vulnerability. The following principles and poc structure for analysis. 0x01 SSL/TLS principle description Https is based on SSL/TLS Http, all http data is in the SSL/TLS Protoco...

vdsm: ssl_accept may block connections on uncompleted handshake

VDSM allows remote attackers to cause a denial of service connection blocking by keeping an SSL connection open...

openSUSE Security Update : openssl (openSUSE-SU-2014:1474-1)

This openssl update fixes a TLS handshake problem when elliptic curves are in use. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security Update openSUSE-2014-697. The text description of this plugin is C...

OpenJDK: Triple Handshake attack against TLS/SSL connections (JSSE, 8037066)

It was discovered that the TLS/SSL implementation in the JSSE component in OpenJDK failed to properly verify the server identity during the renegotiation following session resumption, making it possible for malicious TLS/SSL servers to perform a Triple Handshake attack against clients using JSSE...

OpenJDK: Triple Handshake attack against TLS/SSL connections (JSSE, 8037066)

It was discovered that the TLS/SSL implementation in the JSSE component in OpenJDK failed to properly verify the server identity during the renegotiation following session resumption, making it possible for malicious TLS/SSL servers to perform a Triple Handshake attack against clients using JSSE...

OpenJDK: Triple Handshake attack against TLS/SSL connections (JSSE, 8037066)

It was discovered that the TLS/SSL implementation in the JSSE component in OpenJDK failed to properly verify the server identity during the renegotiation following session resumption, making it possible for malicious TLS/SSL servers to perform a Triple Handshake attack against clients using JSSE...

OpenJDK: Triple Handshake attack against TLS/SSL connections (JSSE, 8037066)

It was discovered that the TLS/SSL implementation in the JSSE component in OpenJDK failed to properly verify the server identity during the renegotiation following session resumption, making it possible for malicious TLS/SSL servers to perform a Triple Handshake attack against clients using JSSE...

OpenJDK: Triple Handshake attack against TLS/SSL connections (JSSE, 8037066)

It was discovered that the TLS/SSL implementation in the JSSE component in OpenJDK failed to properly verify the server identity during the renegotiation following session resumption, making it possible for malicious TLS/SSL servers to perform a Triple Handshake attack against clients using JSSE...

RHEL 6 : rhev-hypervisor6 (RHSA-2012:0109)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2012:0109 advisory. The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization...

CentOS 6 : java-1.8.0-openjdk (CESA-2014:1636)

Updated java-1.8.0-openjdk packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, a...

RHEL 4 / 5 / 6 : openssl (RHSA-2014:0627)

Updated openssl packages that fix one security issue are now available for Red Hat Enterprise Linux 4 Extended Life Cycle Support, Red Hat Enterprise Linux 5.6 Long Life, Red Hat Enterprise Linux 5.9 Extended Update Support, Red Hat Enterprise Linux 6.2 Advanced Update Support, and Red Hat...

RHEL 6 : nss (RHSA-2013:1840)

Updated nss packages that fix one security issue are now available for Red Hat Enterprise Linux 6.2, 6.3, and 6.4 Extended Update Support. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which giv...

DoS Attack With hPing3

You guys would be very familiar with the term DOS Attack, it abbreviates for Denial Of service. A type of attack on a network that is designed to bring the network to its knees by flooding it with useless traffic. These are of various types including Teardrop, ICMP Flooding, SYN Flood, etc. Also...

OpenSSL Invalid Session Ticket Denial of Service (CVE-2014-3567)

A denial-of-service vulnerability exists in OpenSSL. It is due to a memory leak when OpenSSL processes invalidsession tickets to verify their integrity. A remote, unauthenticated attacker can send crafted handshake messages to cause memory leaks, exhaust system memory and create a denial of servi...

Scientific Linux Security Update : java-1.6.0-openjdk on SL5.x, SL6.x, SL7.x i386/x86_64 (20141015)

Multiple flaws were discovered in the Libraries, 2D, and Hotspot components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass certain Java sandbox restrictions. CVE-2014-6506, CVE-2014-6531, CVE-2014-6502, CVE-2014-6511, CVE-2014-6504, CVE-2014-6519 It was...

openssl: SRTP memory leak causes crash when using specially-crafted handshake message

A memory leak flaw was found in the way OpenSSL parsed the DTLS Secure Real-time Transport Protocol SRTP extension data. A remote attacker could send multiple specially crafted handshake messages to exhaust all available memory of an SSL/TLS or DTLS server...

java security update

CentOS Errata and Security Advisory CESA-2014:1636 Updated java-1.8.0-openjdk packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS...

stunnel < 5.06 OpenSSL Multiple Vulnerabilities (POODLE)

The version of stunnel installed on the remote host is prior to version 5.06. It is, therefore, affected by the following vulnerabilities in the bundled OpenSSL library : - An error exists related to DTLS SRTP extension handling and specially crafted handshake messages that can allow denial of...