On 09/07/2012 08:23 PM, David E. Ross wrote:
> On 9/7/12 5:42 PM, NoOp wrote:
>> On 09/07/2012 04:46 PM, David E. Ross wrote:
>>> On 9/7/12 3:30 PM, Chris Ilias wrote:
>>>> On 12-09-07 9:34 AM, hawker wrote:
>>>>> I see Google has a new map sytem called MapsGL.
>>>>>
>>>>> When I try to use it in Seamonky 2.11 it says my browser is not
>>>>> supported.  Under supported browsers it lists Firefox going back a ways
>>>>> (version 8) so Seamonkey should work as well.
>>>>>
>>>>> I understand Seamonkey now advertises itself as Firefox, so can anyone
>>>>> tell me why this is not working and what to do to make it work?
>>>>
>>>> MapsGL uses WebGL, which requires support from both the browser and your 
>>>> graphics card.
>>>> WebGL support was added in SeaMonkey 2.1.
>>>> We can get more info about your graphics card and whether or it supports 
>>>> WebGL if you post your Troubleshooting Information. Go to 
>>>> Help-->Troubleshooting_Information, then click [Copy all to Clipboard]. 
>>>> Open a reply to this post, and go to Edit-->Paste to paste the info from 
>>>> your Troubleshooting Information page.
>>>>
>>>
>>> From US-CERT at
>>> <http://www.us-cert.gov/current/archive/2011/05/19/archive.html#web_users_warned_to_turn>:
>>>
>>>> WebGL Security Risks added May 11, 2011 at 01:50 pm | updated May 16,
>>>> 2011 at 10:20 am
>>>>
>>>> US-CERT is aware of reports indicating that WebGL contains multiple
>>>> significant security issues. The impact of these issues includes
>>>> denial of service, and cross-domain attacks. WebGL is a new web
>>>> standard that is enabled by default in Firefox 4 and Google Chrome
>>>> and is included in Safari.
>>>>
>>>> US-CERT encourages users and administrators to review the Context
>>>> report and update their systems as necessary to help mitigate the risks.
>>> ["Context report is at <http://www.contextis.com/resources/blog/webgl/>]
>>>
>>> Thus, I disabled WebGL.  I have seen no notice of this vulnerability
>>> being fixed.
>>>
>> 
>> You might want to ad this url:
>> <https://www.mozilla.org/security/announce/2012/mfsa2012-62.html>
>> Title: WebGL use-after-free and memory corruption
>> Impact: Critical
>> Announced: August 28, 2012
>> Reporter: miaubiz
>> Products: Firefox, Thunderbird, SeaMonkey
>> 
>> Fixed in: Firefox 15
>>   Firefox ESR 10.0.7
>>   Thunderbird 15
>>   Thunderbird ESR 10.0.7
>>   SeaMonkey 2.12
>> 
>> Perhaps 'hawker' will consider upgrading to SeaMonkey 2.12 from 2.11 -
>> at least for the WebGL security fix?
>> 
>> 
>> 
> 
> Mozilla Foundation Security Advisory 2012-62 is not the same as the
> vulnerability cited by US-CERT.

Not it's not. I was simply pointing you to a recent announcement
regarding webGL by Mozilla and the corresponding CVE's.

> 
> Advisory 2012-62 says:
>> The first issue is a use-after-free when WebGL shaders are called
>> after being destroyed. The second issue exposes a problem with Mesa
>> drivers on Linux, leading to a potentially exploitable crash.  
> It refers to two CVEs (CVE-2012-3967 and CVE-2012-3968) that were both
> submitted to the Common Vulnerabilities and Exposures List within the
> past two months.
> 
> The US-CERT vulnerability was reported more than a year ago and deals
> with denial of service through crashes and cross-domain attacks.  These
> appear to be CVE-2011-2366 (fixed with bug #655987) and
> CVE-2011-2367 (fixed with bug #656752).
> 
> Despite the fix of the vulnerabilities noted by US-CERT and those noted
> in Advisory 2012-62, there remain 214 open WebGL bugs, 29 of them
> Critical and 7 of them Major.  Thus, I will continue to disable WebGL.
> 

I hope that you realize that CVE's et al are sponsored by the same
source (US Homeland Security).
<http://web.nvd.nist.gov/view/vuln/search-results?query=mozilla&search_type=all&cves=on>
<http://web.nvd.nist.gov/view/vuln/search-results?query=webgl&search_type=all&cves=on>

Further, I wasn't recommending that you keep WebGL enabled. I only have
two machines that are 'new' enough to run it & those are sandboxed for
any testing anyway.


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