RHEL 6 / 7 : openssl (RHSA-2016:0301) (DROWN)

Updated openssl packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6 and 7. 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, are...

OpenSSL re-uses unsafe prime numbers in Diffie-Hellman protocol

Overview OpenSSL may generate unsafe primes for use in the Diffie-Hellman protocol, which may lead to disclosure of enough information for an attacker to recover the private encryption key. Description CWE-325: Missing Required Cryptographic Step - CVE-2016-0701OpenSSL 1.0.2 introduced the abilit...

openssl: crash caused by a missing krb5_sname_to_principal() return value check

The ksslkeytabisavailable function in ssl/kssl.c in OpenSSL before 0.9.8n, when Kerberos is enabled but Kerberos configuration files cannot be opened, does not check a certain return value, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via SS...

OpenSSL 'kssl_keytab_is_available()' Denial Of Service Vulnerability (Windows)

This host is installed with OpenSSL and is prone to Denial Of Service Vulnerability. OpenVAS Vulnerability Test $Id: gbopensslsslkssdosvulnwin.nasl 8193 2017-12-20 10:46:55Z cfischer $ OpenSSL 'ksslkeytabisavailable' Denial Of Service Vulnerability Windows Authors: Antu Sanadi Copyright: Copyrigh...

Null pointer dereference

The ksslkeytabisavailable function in ssl/kssl.c in OpenSSL before 0.9.8n, when Kerberos is enabled but Kerberos configuration files cannot be opened, does not check a certain return value, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via SS...

CVE-2010-0433

CVE-2010-0433 affects OpenSSL before 0.9.8n. In kssl_keytab_is_available (ssl/kssl.c), when Kerberos is enabled but Kerberos config files cannot be opened, the code does not check a certain return value, enabling a remote attacker to cause a denial of service via SSL cipher negotiation (NULL poin...

CVE-2010-0433

The ksslkeytabisavailable function in ssl/kssl.c in OpenSSL before 0.9.8n, when Kerberos is enabled but Kerberos configuration files cannot be opened, does not check a certain return value, which allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via SS...

Multiple MacOS X security vulnerabilities

Apple Type Services server font processing buffer overflow. ftpd may allow arbitrary users to determine account name validity. CFNetwork may allow arbitrary FTP commands to be executed via a crafted FTP URI. Security Framework Secure Transport may not negotiate the best cipher available. PPP driv...

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...

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...