Tcpcrypt - Encrypting the Internet

Tcpcrypt is a protocol that attempts to encrypt almost all of your network traffic. Unlike other security mechanisms, Tcpcrypt works out of the box: it requires no configuration, no changes to applications, and your network connections will continue to work even if the remote end does not support...

SMTP STARTTLS Deployments Better than Expected

As more service providers understand and embrace the importance of encrypting online communication, certain technologies are being elevated to the forefront of conversations. Perfect Forward Secrecy and HTTP Strict Transport Security HSTS are two that generally top most lists, but another, SMTP...

Debian Security Advisory DSA 2893-1 (openswan - security update)

Two vulnerabilities were fixed in Openswan, an IKE/IPsec implementation for Linux. CVE-2013-2053 During an audit of Libreswan with which Openswan shares some code, Florian Weimer found a remote buffer overflow in the atodn function. This vulnerability can be triggered when Opportunistic Encryptio...

Openswan: User-assisted execution of arbitrary code

Background Openswan is an implementation of IPsec for Linux. Description A buffer overflow flaw has been discovered in Openswan when using Opportunistic Encryption. Impact A remote attacker could send a specially crafted DNS TXT record, possibly resulting in execution of arbitrary code with the...

Amazon Linux AMI : openswan (ALAS-2013-192)

A buffer overflow flaw was found in Openswan. If Opportunistic Encryption were enabled 'oe=yes' in '/etc/ipsec.conf' and an RSA key configured, an attacker able to cause a system to perform a DNS lookup for an attacker-controlled domain containing malicious records such as by sending an email tha...

CVE-2013-2054

Buffer overflow in the atodn function in strongSwan 2.0.0 through 4.3.4, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service pluto IKE daemon crash and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this...

DEBIAN-CVE-2013-2054

Buffer overflow in the atodn function in strongSwan 2.0.0 through 4.3.4, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service pluto IKE daemon crash and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this...

CVE-2013-2052

Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service pluto IKE daemon crash and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be t...

Buffer overflow

Buffer overflow in the atodn function in strongSwan 2.0.0 through 4.3.4, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service pluto IKE daemon crash and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this...

CVE-2013-2052

CVE-2013-2052 describes a remote, non-authenticated buffer overflow in the atodn() function of Libreswan/OpenSwan when Opportunistic Encryption is enabled and an attacker controls a DNS TXT PTR record. This can crash the pluto IKE daemon and potentially allow code execution. The vulnerability is ...

CVE-2013-2052

Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service pluto IKE daemon crash and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be t...

CVE-2013-2052: Improper Restriction of Operations within the Bounds of a Memory Buffer

Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service pluto IKE daemon crash and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be t...

Important: openswan

Issue Overview: A buffer overflow flaw was found in Openswan. If Opportunistic Encryption were enabled "oe=yes" in "/etc/ipsec.conf" and an RSA key configured, an attacker able to cause a system to perform a DNS lookup for an attacker-controlled domain containing malicious records such as by...

CentOS 5 / 6 : openswan (CESA-2013:0827)

Updated openswan packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating...

Scientific Linux Security Update : openswan on SL5.x, SL6.x i386/x86_64 (20130515)

A buffer overflow flaw was found in Openswan. If Opportunistic Encryption were enabled 'oe=yes' in '/etc/ipsec.conf' and an RSA key configured, an attacker able to cause a system to perform a DNS lookup for an attacker- controlled domain containing malicious records such as by sending an email th...

Important: Red Hat Security Advisory: openswan security update

Updated openswan packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating...

Openswan: remote buffer overflow in atodn()

Buffer overflow in the atodn function in Openswan before 2.6.39, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service pluto IKE daemon crash and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be...

Encrypt Your Network Traffic: Tcpcrypt

Tcpcrypt is a protocol that attempts to encrypt almost all of your network traffic. Unlike other security mechanisms, Tcpcrypt works out of the box: it requires no configuration, no changes to applications, and your network connections will continue to work even if the remote end does not support...