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Vulnerability of libpng: buffer overflow via Chunks Length

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via Chunks Length of libpng, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: libpng, McAfee Web Gateway, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 11/07/2019.
Références of this bulletin: bulletinoct2019, CVE-2017-12652, RHSA-2020:3901-01, SUSE-SU-2019:3060-1, SUSE-SU-2019:3060-2, VIGILANCE-VUL-29748.

Description of the vulnerability 

An attacker can trigger a buffer overflow via Chunks Length of libpng, in order to trigger a denial of service, and possibly to run code.
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This vulnerability bulletin impacts software or systems such as libpng, McAfee Web Gateway, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this security note is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this cybersecurity note.

Solutions for this threat 

libpng: version 1.6.32.
The version 1.6.32 is fixed:
  https://ftp-osl.osuosl.org/pub/libpng/src/
  ftp://ftp-osl.osuosl.org/pub/libpng/src/
  http://libpng.download/src/
  http://libpng.sf.net

libpng: version 1.5.29.
The version 1.5.29 is fixed:
  https://ftp-osl.osuosl.org/pub/libpng/src/
  ftp://ftp-osl.osuosl.org/pub/libpng/src/
  http://libpng.download/src/
  http://libpng.sf.net

libpng: version 1.4.21.
The version 1.4.21 is fixed:
  https://ftp-osl.osuosl.org/pub/libpng/src/
  ftp://ftp-osl.osuosl.org/pub/libpng/src/
  http://libpng.download/src/
  http://libpng.sf.net

libpng: version 1.2.58.
The version 1.2.58 is fixed:
  https://ftp-osl.osuosl.org/pub/libpng/src/
  ftp://ftp-osl.osuosl.org/pub/libpng/src/
  http://libpng.download/src/
  http://libpng.sf.net

libpng: version 1.0.68.
The version 1.0.68 is fixed:
  https://ftp-osl.osuosl.org/pub/libpng/src/
  ftp://ftp-osl.osuosl.org/pub/libpng/src/
  http://libpng.download/src/
  http://libpng.sf.net

McAfee Web Gateway: version 8.2.15.
The version 8.2.15 is fixed:
  https://www.mcafee.com/

McAfee Web Gateway: version 9.2.6.
The version 9.2.6 is fixed:
  https://www.mcafee.com/

Oracle Solaris: patch for third party software of October 2019 v1.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 7.8: new libpng packages.
New packages are available:
  RHEL 7.0-7.8: libpng 1.5.13-8.el7

SUSE LE 12: new libpng16 packages.
New packages are available:
  SUSE LE 12 SP1: libpng16 16-1.6.8-15.5.2
  SUSE LE 12 SP2: libpng16 16-1.6.8-15.5.2
  SUSE LE 12 SP3: libpng16 16-1.6.8-15.5.2
  SUSE LE 12 SP4: libpng16 16-1.6.8-15.5.2
  SUSE LE 12 SP5: libpng16 16-1.6.8-15.5.2
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