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Vulnerability of RoundCube Webmail: buffer overflow of DBMail

Synthesis of the vulnerability 

An attacker can generate a buffer overflow in DBMail of RoundCube Webmail, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Fedora, openSUSE, openSUSE Leap.
Severity of this alert: 2/4.
Creation date: 15/07/2015.
Références of this alert: CVE-2015-2181, FEDORA-2016-69eb7f9fb2, FEDORA-2016-a9c8f9dcff, openSUSE-SU-2015:1240-1, openSUSE-SU-2016:2108-1, openSUSE-SU-2016:2109-1, openSUSE-SU-2016:3038-1, VIGILANCE-VUL-17393.

Description of the vulnerability 

The roundcubemail product offers a web service.

However, if the size of data is greater than the size of the storage array, an overflow occurs.

An attacker can therefore generate a buffer overflow in DBMail of RoundCube Webmail, in order to trigger a denial of service, and possibly to run code.
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This cybersecurity alert impacts software or systems such as Fedora, openSUSE, openSUSE Leap.

Our Vigil@nce team determined that the severity of this weakness 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 security weakness.

Solutions for this threat 

Fedora: new roundcubemail packages.
New packages are available:
  Fedora 22: roundcubemail 1.1.5-1.fc22
  Fedora 23: roundcubemail 1.1.5-1.fc23

openSUSE 13.1: new roundcubemail packages.
New packages are available:
  openSUSE 13.1: roundcubemail 1.0.6-2.21.1

openSUSE 13.2: new roundcubemail packages.
New packages are available:
  openSUSE 13.2: roundcubemail 1.0.9-20.1

openSUSE Leap 42.1: new roundcubemail packages.
New packages are available:
  openSUSE Leap 42.1: roundcubemail 1.1.5-9.1

openSUSE Leap: new roundcubemail packages.
New packages are available:
  openSUSE Leap 42.1: roundcubemail 1.1.7-15.1
  openSUSE Leap 42.2: roundcubemail 1.1.7-15.1
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Vigil@nce provides cybersecurity alerts. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications.