Re: Cisco Security Advisory: Cisco IOS Software SSL VPN Denial of Service Vulnerability

[kendrick eastes <keastes () gmail com>]

The Full-disclosure mailing list was recently... retired, I guess cisco
thought NANOG was the next best place.


On Wed, Mar 26, 2014 at 10:45 AM, rwebb () ropeguru com <rwebb () ropeguru com>wrote:

> Is this normal for the list to diretly get Cisco security advisories or
> something new. First time I have seen these.
>
> Robert
>
>
> On Wed, 26 Mar 2014 12:10:00 -0400
>  Cisco Systems Product Security Incident Response Team <psirt () cisco com>
> wrote:
>
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Cisco IOS Software SSL VPN Denial of Service Vulnerability
> >
> > Advisory ID: cisco-sa-20140326-ios-sslvpn
> >
> > Revision 1.0
> >
> > For Public Release 2014 March 26 16:00  UTC (GMT)
> >
> > Summary
> > =======
> >
> > A vulnerability in the Secure Sockets Layer (SSL) VPN subsystem of Cisco
> > IOS Software could allow an unauthenticated, remote attacker to cause a
> > denial of service (DoS) condition.
> >
> > The vulnerability is due to a failure to process certain types of HTTP
> > requests. To exploit the vulnerability, an attacker could submit crafted
> > requests designed to consume memory to an affected device. An exploit could
> > allow the attacker to consume and fragment memory on the affected device.
> > This may cause reduced performance, a failure of certain processes, or a
> > restart of the affected device.
> >
> > Cisco has released free software updates that address this vulnerability.
> > There are no workarounds to mitigate this vulnerability.
> >
> > This advisory is available at the following link:
> > http://tools.cisco.com/security/center/content/
> > CiscoSecurityAdvisory/cisco-sa-20140326-ios-sslvpn
> >
> > Note: The March 26, 2014, Cisco IOS Software Security Advisory bundled
> > publication includes six Cisco Security Advisories. All advisories address
> > vulnerabilities in Cisco IOS Software. Each Cisco IOS Software Security
> > Advisory lists the Cisco IOS Software releases that correct the
> > vulnerability or vulnerabilities detailed in the advisory as well as the
> > Cisco IOS Software releases that correct all Cisco IOS Software
> > vulnerabilities in the March 2014 bundled publication.
> >
> > Individual publication links are in Cisco Event Response: Semiannual
> > Cisco IOS Software Security Advisory Bundled Publication at the following
> > link:
> >
> > http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_mar14.html
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