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Date: Sun, 15 Nov 2015 23:48:35 +0100
From: Gsunde Orangen <>
Subject: Re: CVE-Request: Assign CVE for common-collections
 remote code execution on deserialisation flaw

It seems that IBM Websphere [1] is now using the same CVE ID as Oracle
WebLogic [2]: CVE-2015-4852
So I would go with that ID with any application around the
Commons-Collections issues.



On 2015-11-13, 23:07 Gsunde Orangen wrote:
> On 2015-11-13, 22:07 Mark Felder wrote:
>> On Fri, Nov 13, 2015, at 08:37, Mark Felder wrote:
>>> On Fri, Nov 13, 2015, at 01:58, Gsunde Orangen wrote:
>>>> I share Tim's view [2] and a dozen of (own) applications we checked
>>>> won't break. A property that re-enables deserialization of course would
>>>> help additionally: allow applications that really *need* this to get it
>>>> working; but that requires an explicit step - so latest by that time:
>>>> those, whose applications break after including a "fixed" version of
>>>> Commons-Collections would (hopefully) start to think about their design.
>>>> Gsunde
>>>> [1]
>>>> [2]
>>> This statement is how we have been operating our mitigation strategy:
>>> "Applications which use Apache Commons Collections and do not use
>>> deserialization are not vulnerable."
>> CERT has released a statement[1] indicating that you are vulnerable
>> simply by having this in your classpath. It does not matter if you are
>> doing deserialization or not. The patch[2] to disable serialization
>> functionality by default seems to me like the only option to mitigate
>> the CVE now.
>> [1]
>> [2]
> ... and's statement [3] summarizes the issue and the current
> status quite well
> [3]

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