[arch-security] [ASA-201603-1] chromium: multiple issues

[Remi Gacogne]

Arch Linux Security Advisory ASA-201603-1
=========================================

Severity: High
Date    : 2016-03-03
CVE-ID  : CVE-2015-8126 CVE-2016-1630 CVE-2016-1631 CVE-2016-1632
CVE-2016-1633 CVE-2016-1634 CVE-2016-1635 CVE-2016-1636 CVE-2016-1637
CVE-2016-1638 CVE-2016-1639 CVE-2016-1640 CVE-2016-1641 CVE-2016-1642
Package : chromium
Type    : multiple issues
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package chromium before version 49.0.2623.75-1 is vulnerable to
multiple issues.

Resolution
==========

Upgrade to 49.0.2623.75-1.

# pacman -Syu "chromium>=49.0.2623.75-1"

The problem has been fixed upstream in version 49.0.2623.75.

Workaround
==========

None.

Description
===========

- CVE-2015-8126:

Buffer overflow vulnerabilities in functions png_get_PLTE/png_set_PLTE,
allowing remote attackers to cause DoS to application or have
unspecified other impact. These functions failed to check for an
out-of-range palette when reading or writing PNG files with a bit_depth
less than 8. Some applications might read the bit depth from the IHDR
chunk and allocate memory for a 2^N entry palette, while libpng can
return a palette with up to 256 entries even when the bit depth is less
than 8.

- CVE-2016-1630:

Same-origin bypass in Blink. Credit to Mariusz Mlynski.

- CVE-2016-1631:

Same-origin bypass in Pepper Plugin. Credit to Mariusz Mlynski.

- CVE-2016-1632:

Bad cast in Extensions.

- CVE-2016-1633, CVE-2016-1634:

Use-after-free in Blink. Credit to cloudfuzzer.

- CVE-2016-1635:

Use-after-free in Blink. Credit to Rob Wu.

- CVE-2016-1636:

SRI Validation Bypass. Credit to Ryan Lester and Bryant Zadegan.

- CVE-2016-1637:

Information Leak in Skia. Credit to Keve Nagy.

- CVE-2016-1638:

WebAPI Bypass. Credit to Rob Wu.

- CVE-2016-1639:

Use-after-free in WebRTC. Credit to Khalil Zhani.

- CVE-2016-1640:

Origin confusion in Extensions UI. Credit to Luan Herrera.

- CVE-2016-1641:

Use-after-free in Favicon. Credit to Atte Kettunen of OUSPG.

- CVE-2016-1642:

Various fixes from internal audits, fuzzing and other initiatives.

Impact
======

A remote attacker can bypass restrictions like the same-origin policy
and the WebAPI restrictions, or have other unspecified impact.

References
==========

http://googlechromereleases.blogspot.fr/2016/03/stable-channel-update.html
https://access.redhat.com/security/cve/CVE-2015-8126
https://access.redhat.com/security/cve/CVE-2016-1630
https://access.redhat.com/security/cve/CVE-2016-1631
https://access.redhat.com/security/cve/CVE-2016-1632
https://access.redhat.com/security/cve/CVE-2016-1633
https://access.redhat.com/security/cve/CVE-2016-1634
https://access.redhat.com/security/cve/CVE-2016-1635
https://access.redhat.com/security/cve/CVE-2016-1636
https://access.redhat.com/security/cve/CVE-2016-1637
https://access.redhat.com/security/cve/CVE-2016-1638
https://access.redhat.com/security/cve/CVE-2016-1639
https://access.redhat.com/security/cve/CVE-2016-1640
https://access.redhat.com/security/cve/CVE-2016-1641
https://access.redhat.com/security/cve/CVE-2016-1642

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