oss-security - Two OpenSSL DTLS remote DoS

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Message-ID: <0905180919450.20973@mjc.redhat.com>
Date: Mon, 18 May 2009 09:32:04 +0100 (BST)
From: Mark J Cox <mjc@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Two OpenSSL DTLS remote DoS

Spotted on openssl-dev, two issues that can lead to a remote attacker 
exhausting memory of a DTLS enabled service.  DTLS support was introduced 
in OpenSSL 0.9.8.

CVE-2009-1377 DTLS epoch record buffer memory DoS

 	http://rt.openssl.org/Ticket/Display.html?id=1930&user=guest&pass=guest
         http://marc.info/?l=openssl-dev&m=124247675613888&w=2
         http://cvs.openssl.org/chngview?cn=18187

 	CVSSv2= 5.0/AV:N/AC:L/Au:N/C:N/I:N/A:P

CVE-2009-1378 DTLS fragment handling memory DoS

 	http://rt.openssl.org/Ticket/Display.html?id=1931&user=guest&pass=guest
         http://marc.info/?t=124250665500033&r=1&w=2

 	http://cvs.openssl.org/chngview?cn=18188
 	(Note doesn't have a backported 0.9.8 patch yet, follow openssl-dev)

 	CVSSv2= 5.0/AV:N/AC:L/Au:N/C:N/I:N/A:P

Thanks, Mark

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