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Date: Tue, 07 Oct 2014 18:01:25 -0700
From: Kohsuke Kawaguchi <kk@...suke.org>
To: Bryan Drewery <bdrewery@...eBSD.org>
CC: oss-security@...ts.openwall.com
Subject: Re: Security advisory in Jenkins
On 10/07/2014 11:45 AM, Bryan Drewery wrote:
> On 10/3/2014 4:44 PM, Kohsuke Kawaguchi wrote:
>> We are still learning how we should handle vulnerabilities, so I'm sure
>> there's room for improvements.
>>
>> We have multiple release lines to which the fixes have to be released
>> simultaneously, and overall this overhead is significant. That's why we did
>> one massive release that contains all the fixes.
>>
>> Wrt CVE-2013-2186, a week ago we got a report from somebody that he did a
>> security scan and found that we are still using a vulnerable version of the
>> library to which CVE-2013-2186 is assigned. In this release we use a newer
>> version of the library that addresses the problem, and I thought it'd be
>> appropriate to raise a flag to the users that if they continue to use older
>> versions, they'd remain vulnerable to CVE-2013-2186. That's why it's in the
>> advisory. It is not because we sat on a report for more than a year.
>>
>> When you say the timeframe is especially concerning, perhaps you mean you
>> are concerned that we fail to notice this vulnerability in our library for
>> more than a year, and if so, you are of course right. Jenkins project has
>> gotten a long list of library dependencies, and I haven't found any
>> practical means to get notified when vulnerabilities are found in any one
>> of them.
>>
>
> I understand. Is there any practical way you could not bundle
> dependencies? Then it would not be a problem. I don't know enough about
> Java's build system to know if this is possible.
A part of the problem is that Jenkins core is too big a piece that can
be decomposed further down into smaller plugins. We've been doing that
to chip away some of the dependencies, and plugins are somewhat easier
to update than the core. So that's a progress.
But beyond that, the packaging and distribution model in Java is that
each application brings the complete dependencies with it. Some other
platforms do not do that (say Linux C ecosystem), but many others do
(.NET, Ruby, Node.js, ...) This is not so much a problem of a build tool
but more due to the user expectation (and perhaps lack of runtime
package managers and stronger coupling between libraries?).
As such, I don't think this is changing any time soon, for better or worse.
--
Kohsuke Kawaguchi http://kohsuke.org/
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