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Date: Thu, 25 Apr 2019 08:23:14 -0500
From: Jamie Strandboge <jamie@...onical.com>
To: OSS Security List <oss-security@...ts.openwall.com>
Cc: security@...ntu.com, mheon@...hat.com, paul@...l-moore.com
Subject: Re: CVE Request: golang-seccomp incorrectly handles multiple syscall
 arguments

On Wed, 24 Apr 2019, Jamie Strandboge wrote:

> On Wed, 24 Apr 2019, Jamie Strandboge wrote:
> 
> > Hi,
> > 
> > https://github.com/seccomp/libseccomp-golang/issues/22 describes a bug where
> > golang-seccomp incorrectly generates BPFs which OR multiple arguments rather
> > than ANDing them. This bug was fixed here:
> > 
> > https://github.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9e
> > 
> > which is currently only in master and not the most current 0.9.0 release. Since
> > golang-seccomp is meant to be a golang package to facilitate reducing the
> > syscall surface for applications and this bug produces incorrect BPF to achieve
> > that when specifying more that 2 syscall arguments, this probably deserves a
> > CVE assignment so distributions will see the issue and incorporate the fix into
> > their stable releases. I've included upstream developers Matthew and Paul in CC
> > for comment.
> > 
> Sorry, I was reminded that CVE requests go to https://cveform.mitre.org/. I did
> that just now. I can shuffle back and forth information between here and there
> as needed and will report back the CVE if/when it is assigned.

This is CVE-2017-18367

-- 
Jamie Strandboge             | http://www.canonical.com

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