- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Gentoo Linux Security Advisory                           GLSA 201801-02

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

                                           https://security.gentoo.org/

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



 Severity: Normal

    Title: OptiPNG: Multiple vulnerabilities

     Date: January 07, 2018

     Bugs: #637936, #639690

       ID: 201801-02



- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



Synopsis

========



Multiple vulnerabilities have been found in OptiPNG, the worst of which

may allow execution of arbitrary code.



Background

==========



OptiPNG is a PNG optimizer that re-compresses image files to a smaller

size, without losing any information.



Affected packages

=================



    -------------------------------------------------------------------

     Package              /     Vulnerable     /            Unaffected

    -------------------------------------------------------------------

  1  media-gfx/optipng           < 0.7.6-r2               >= 0.7.6-r2 



Description

===========



Multiple vulnerabilities have been discovered in OptiPNG. Please review

the referenced CVE identifiers for details.



Impact

======



A remote attacker could entice a user to process a specially crafted

image file, possibly resulting in execution of arbitrary code with the

privileges of the process or a Denial of Service condition.



Workaround

==========



There is no known workaround at this time. 



Resolution

==========



All OptiPNG users should upgrade to the latest version:



  # emerge --sync

  # emerge --ask --oneshot --verbose ">=media-gfx/optipng-0.7.6-r2"



References

==========



[ 1 ] CVE-2017-1000229

      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-1000229

[ 2 ] CVE-2017-16938

      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-16938



Availability

============



This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:



 https://security.gentoo.org/glsa/201801-02



Concerns?

=========



Security is a primary focus of Gentoo Linux and ensuring the

confidentiality and security of our users' machines is of utmost

importance to us. Any security concerns should be addressed to

security@gentoo.org or alternatively, you may file a bug at

https://bugs.gentoo.org.



--nextPart7258284.tOgASXgUSv

Content-Type: application/pgp-signature; name="signature.asc"

Content-Description: This is a digitally signed message part.

Content-Transfer-Encoding: 7Bit



-----BEGIN PGP SIGNATURE-----



iQEzBAABCAAdFiEEiDRK3jyVBE/RkymqpRQw84X1dt0FAlpSqpgACgkQpRQw84X1

dt0Gbwf+Lyvw0DJpprz96f5PfzjqApmUz9IHEZ6loNXN7Cg/QPkfaRtreOsjRK37

HxA3iKRWGwJ+TX7gQZPAB30r0GpiPZrHEBvBsMKGBOWdrusPIua64fMc1Zj3hqW3

8jp4hrZO0sGx2TL2+JrmOlFRCBPUnyISEVzDIBtvTiv9exVCCSDzZRWaX6iqMOkT

BQN+g3uQV8mE0sNdB6IhPv5p44QcsdXuPSDfplsx8l+WBEBgI1nOTFAQv7hak7sL

t89JVO4HXoFjw1wODtQS48HeXQdgCBqb59guvT9jcW+wceuE0OrpDEXNCMMsFJCN

qGgWkEA9EvuwzL1sggwfrJ2/HywYMQ==

=eYcM

-----END PGP SIGNATURE-----



--nextPart7258284.tOgASXgUSv--