CERT mailing list archives

SSLv2 DROWN Attack


From: "US-CERT" <US-CERT () ncas us-cert gov>
Date: Tue, 01 Mar 2016 17:10:23 -0600

U.S. Department of Homeland Security US-CERT

National Cyber Awareness System:

SSLv2 DROWN Attack [ https://www.us-cert.gov/ncas/current-activity/2016/03/01/SSLv2-DROWN-Attack ] 03/01/2016 05:15 PM 
EST 
Original release date: March 01, 2016

Network traffic encrypted using an RSA-based SSL certificate may be decrypted if enough SSLv2 handshake data can be 
collected. Exploitation of this vulnerability - referred to as DROWN in public reporting - may allow a remote attacker 
to obtain the private key of a server supporting SSLv2.

US-CERT encourages users and administrators to review Vulnerability Note VU#583776 [ 
https://www.kb.cert.org/vuls/id/583776 ] and the US-CERT OpenSSL Current Activity [ 
https://www.us-cert.gov/ncas/current-activity/2016/03/01/OpenSSL-Releases-Security-Advisory ] for additional 
information and mitigation details.

________________________________________________________________________

This product is provided subject to this Notification [ http://www.us-cert.gov/privacy/notification ] and this Privacy 
& Use [ http://www.us-cert.gov/privacy/ ] policy.

________________________________________________________________________

A copy of this publication is available at www.us-cert.gov [ https://www.us-cert.gov ]. If you need help or have 
questions, please send an email to info () us-cert gov. Do not reply to this message since this email was sent from a 
notification-only address that is not monitored. To ensure you receive future US-CERT products, please add US-CERT () 
ncas us-cert gov to your address book. 

OTHER RESOURCES: Contact Us [ http://www.us-cert.gov/contact-us/ ] | Security Publications [ 
http://www.us-cert.gov/security-publications ] | Alerts and Tips [ http://www.us-cert.gov/ncas ] | Related Resources [ 
http://www.us-cert.gov/related-resources ] 

STAY CONNECTED: Sign up for email updates [ http://public.govdelivery.com/accounts/USDHSUSCERT/subscriber/new ] 


Current thread: