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Vulnerability of ZZIPlib: denial of service via __zzip_parse_root_directory

Synthesis of the vulnerability 

An attacker can generate a fatal error via __zzip_parse_root_directory() of zziplib, in order to trigger a denial of service.
Vulnerable software: Debian, Fedora, openSUSE Leap, RHEL, Ubuntu.
Severity of this announce: 2/4.
Creation date: 13/04/2018.
Références of this computer vulnerability: CVE-2018-7726, DLA-2258-1, FEDORA-2018-237e9b550c, openSUSE-SU-2018:0940-1, RHSA-2018:3229-01, USN-3699-1, VIGILANCE-VUL-25867.

Description of the vulnerability 

An attacker can generate a fatal error via __zzip_parse_root_directory() of zziplib, in order to trigger a denial of service.
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This cybersecurity announce impacts software or systems such as Debian, Fedora, openSUSE Leap, RHEL, Ubuntu.

Our Vigil@nce team determined that the severity of this threat alert 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 computer weakness alert.

Solutions for this threat 

Debian 8: new zziplib packages.
New packages are available:
  Debian 8: zziplib 0.13.62-3+deb8u2

Fedora 28: new zziplib packages.
New packages are available:
  Fedora 28: zziplib 0.13.69-1.fc28

openSUSE Leap 42.3: new zziplib packages.
New packages are available:
  openSUSE Leap 42.3: zziplib 0.13.67-13.6.1

RHEL 7: new zziplib packages.
New packages are available:
  RHEL 7: zziplib 0.13.62-9.el7

Ubuntu: new libzzip-0-13 packages.
New packages are available:
  Ubuntu 18.04 LTS: libzzip-0-13 0.13.62-3.1ubuntu0.18.04.1
  Ubuntu 17.10: libzzip-0-13 0.13.62-3.1ubuntu0.17.10.1
  Ubuntu 16.04 LTS: libzzip-0-13 0.13.62-3ubuntu0.16.04.2
  Ubuntu 14.04 LTS: libzzip-0-13 0.13.62-2ubuntu0.2
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