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Vulnerability of libwmf: buffer overflow of meta_pen_create

Synthesis of the vulnerability 

An attacker can generate a buffer overflow in meta_pen_create of libwmf, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Debian, Fedora, openSUSE, RHEL, Slackware, Ubuntu.
Severity of this alert: 2/4.
Creation date: 15/07/2015.
Références of this alert: CVE-2015-4695, DSA-3302-1, FEDORA-2015-10601, FEDORA-2015-10627, openSUSE-SU-2015:1212-1, RHSA-2015:1917-01, SSA:2018-120-01, USN-2670-1, VIGILANCE-VUL-17381.

Description of the vulnerability 

An attacker can generate a buffer overflow in meta_pen_create of libwmf, in order to trigger a denial of service, and possibly to run code.
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This computer vulnerability bulletin impacts software or systems such as Debian, Fedora, openSUSE, RHEL, Slackware, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability bulletin 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 threat note.

Solutions for this threat 

Debian: new libwmf packages.
New packages are available:
  Debian 8: libwmf 0.2.8.4-10.3+deb8u1
  Debian 7: libwmf 0.2.8.4-10.3+deb7u1

Fedora: new libwmf packages.
New packages are available:
  Fedora 21: libwmf 0.2.8.4-45.fc21
  Fedora 22: libwmf 0.2.8.4-45.fc22

openSUSE 13: new libwmf packages.
New packages are available:
  openSUSE 13.2: libwmf 0_2-7-0.2.8.4-239.7.1
  openSUSE 13.1: libwmf 0_2-7-0.2.8.4-234.7.1

RHEL: new libwmf packages.
New packages are available:
  RHEL 6: libwmf 0.2.8.4-25.el6_7
  RHEL 7: libwmf 0.2.8.4-41.el7_1

Slackware: new libwmf packages.
New packages are available:
  Slackware 13.0: libwmf 0.2.8.4-*-5_slack13.0
  Slackware 13.1: libwmf 0.2.8.4-*-6_slack13.1
  Slackware 13.37: libwmf 0.2.8.4-*-6_slack13.37
  Slackware 14.0: libwmf 0.2.8.4-*-6_slack14.0
  Slackware 14.1: libwmf 0.2.8.4-*-6_slack14.1
  Slackware 14.2: libwmf 0.2.8.4-*-7_slack14.1

Ubuntu: new libwmf packages.
New packages are available:
  Ubuntu 15.04: libwmf0.2-7 0.2.8.4-10.3ubuntu1.15.04.1
  Ubuntu 14.10: libwmf0.2-7 0.2.8.4-10.3ubuntu1.14.10.1
  Ubuntu 14.04 LTS: libwmf0.2-7 0.2.8.4-10.3ubuntu1.14.04.1
  Ubuntu 12.04 LTS: libwmf0.2-7 0.2.8.4-10ubuntu1.1
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