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Vulnerability of ZZIPlib: memory corruption via __zzip_fetch_disk_trailer

Synthesis of the vulnerability 

An attacker can generate a memory corruption via __zzip_fetch_disk_trailer() of ZZIPlib, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Debian, Fedora, openSUSE Leap, Ubuntu.
Severity of this alert: 1/4.
Creation date: 21/02/2018.
Références of this alert: CVE-2018-6484, DLA-2258-1, FEDORA-2018-8d544ee879, openSUSE-SU-2018:0561-1, USN-3699-1, VIGILANCE-VUL-25337.

Description of the vulnerability 

An attacker can generate a memory corruption via __zzip_fetch_disk_trailer() of ZZIPlib, in order to trigger a denial of service, and possibly to run code.
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This cybersecurity bulletin impacts software or systems such as Debian, Fedora, openSUSE Leap, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity weakness is low.

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 vulnerability bulletin.

Solutions for this threat 

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

Fedora: new zziplib packages.
New packages are available:
  Fedora 27: zziplib 0.13.68-1.fc27

openSUSE Leap 42.3: new zziplib packages.
New packages are available:
  openSUSE Leap 42.3: libzzip-0-13 0.13.67-13.3.1

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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