svn commit: r336840 - head/security/vuxml

Thu Dec 19 19:46:58 UTC 2013

On 18 Dec 2013, at 16:22, Jun Kuriyama <kuriyama at FreeBSD.org> wrote:

> Author: kuriyama
> Date: Wed Dec 18 15:22:59 2013
> New Revision: 336840
> URL: http://svnweb.freebsd.org/changeset/ports/336840
> 
> Log:
>  Add about gnupg-1.4.16.

Hi Jun,

The alignment looks a bit weird, please look at my inline comments.

> 
> Modified:
>  head/security/vuxml/vuln.xml
> 
> Modified: head/security/vuxml/vuln.xml
> ==============================================================================
> --- head/security/vuxml/vuln.xml	Wed Dec 18 15:14:55 2013	(r336839)
> +++ head/security/vuxml/vuln.xml	Wed Dec 18 15:22:59 2013	(r336840)
> @@ -51,6 +51,51 @@ Note:  Please add new entries to the beg
> 
> -->
> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">
> +  <vuln vid="2e5715f8-67f7-11e3-9811-b499baab0cbe">
> +    <topic>gnupg -- RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis attack</topic>
> +    <affects>
> +      <package>
> +	<name>gnupg</name>
> +	<range><lt>1.4.16</lt></range>
> +      </package>
> +    </affects>
> +    <description>
> +      <body xmlns="http://www.w3.org/1999/xhtml">
> +	<p>Werner Koch reports:</p>
> +	<blockquote cite="http://lists.gnupg.org/pipermail/gnupg-announce/2013q4/000337.html">
> +	  <p>CVE-2013-4576 has been assigned to this security bug.</p>
> +
> +	  <p>The paper describes two attacks.  The first attack allows
> +to distinguish keys: An attacker is able to notice which key is
> +currently used for decryption.  This is in general not a problem but
> +may be used to reveal the information that a message, encrypted to a
> +commonly not used key, has been received by the targeted machine.  We
> +do not have a software solution to mitigate this attack.</p>
^^ it seems that there is no indentation here. It should jump in two spaces
from the <p> stanza, where 8 spaces becomes a tab.

Can you have a look at that?

Thnx!
Remko

> +
> +	  <p>The second attack is more serious.  It is an adaptive
> +chosen ciphertext attack to reveal the private key.  A possible
> +scenario is that the attacker places a sensor (for example a standard
> +smartphone) in the vicinity of the targeted machine.  That machine is
> +assumed to do unattended RSA decryption of received mails, for example
> +by using a mail client which speeds up browsing by opportunistically
> +decrypting mails expected to be read soon.  While listening to the
> +acoustic emanations of the targeted machine, the smartphone will send
> +new encrypted messages to that machine and re-construct the private
> +key bit by bit.  A 4096 bit RSA key used on a laptop can be revealed
> +within an hour.</p>
> +	</blockquote>
> +      </body>
> +    </description>
> +    <references>
> +      <cvename>CVE-2013-4576</cvename>
> +      <url>http://lists.gnupg.org/pipermail/gnupg-announce/2013q4/000337.html</url>
> +    </references>
> +    <dates>
> +      <discovery>2013-12-18</discovery>
> +      <entry>2013-12-18</entry>
> +    </dates>
> +  </vuln>
> +
>   <vuln vid="0c39bafc-6771-11e3-868f-0025905a4771">
>     <topic>asterisk -- multiple vulnerabilities</topic>
>     <affects>
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-- 

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\ /   Remko Lodder                       | remko at EFnet
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