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Bug 636060 (CVE-2017-15650) - <sys-libs/musl-1.1.18: Buffer overflow vulnerability (CVE-2017-15650)
Summary: <sys-libs/musl-1.1.18: Buffer overflow vulnerability (CVE-2017-15650)
Status: RESOLVED FIXED
Alias: CVE-2017-15650
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
URL: https://git.musl-libc.org/cgit/musl/t...
Whiteboard: B3 [noglsa cve]
Keywords:
Depends on:
Blocks:
 
Reported: 2017-10-31 15:16 UTC by GLSAMaker/CVETool Bot
Modified: 2017-11-27 16:10 UTC (History)
3 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description GLSAMaker/CVETool Bot gentoo-dev 2017-10-31 15:16:29 UTC
CVE-2017-15650 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15650):
  musl libc before 1.1.17 has a buffer overflow via crafted DNS replies
  because dns_parse_callback in network/lookup_name.c does not restrict the
  number of addresses, and thus an attacker can provide an unexpected number
  by sending A records in a reply to an AAAA query.
Comment 1 Christopher Díaz Riveros (RETIRED) gentoo-dev Security 2017-10-31 15:17:27 UTC
@Maintainers please confirm if we are affected, call for stabilization when ready in that case.

Thank you
Comment 2 Anthony Basile gentoo-dev 2017-10-31 20:36:24 UTC
(In reply to Christopher Díaz from comment #1)
> @Maintainers please confirm if we are affected, call for stabilization when
> ready in that case.
> 
> Thank you

We are.  Since this is a libc I will take care of the stabilization on all arches.

I've already stabilized amd64 and x86, and will work on arm and ppc next.
Comment 3 Aric Belsito 2017-11-06 23:12:25 UTC
This can be closed now.
Comment 4 Aaron Bauman (RETIRED) gentoo-dev 2017-11-11 13:40:55 UTC
1.1.16 is still in the tree and is vulnerable.
Comment 5 Anthony Basile gentoo-dev 2017-11-11 17:44:29 UTC
(In reply to Aaron Bauman from comment #4)
> 1.1.16 is still in the tree and is vulnerable.

I'll try to get to arm and ppc soon, but its a lot of work to build the stage3's.
Comment 6 Aaron Bauman (RETIRED) gentoo-dev 2017-11-11 19:42:36 UTC
(In reply to Anthony Basile from comment #5)
> (In reply to Aaron Bauman from comment #4)
> > 1.1.16 is still in the tree and is vulnerable.
> 
> I'll try to get to arm and ppc soon, but its a lot of work to build the
> stage3's.

Understandable and thanks!
Comment 7 Anthony Basile gentoo-dev 2017-11-27 14:47:14 UTC
(In reply to Aaron Bauman from comment #6)
> (In reply to Anthony Basile from comment #5)
> > (In reply to Aaron Bauman from comment #4)
> > > 1.1.16 is still in the tree and is vulnerable.
> > 
> > I'll try to get to arm and ppc soon, but its a lot of work to build the
> > stage3's.
> 
> Understandable and thanks!

okay all done. versions < 1.1.18 are all off the tree.