USN-3699-1: zziplib vulnerabilities

3 July 2018

zziplib vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 18.04 LTS
  • Ubuntu 17.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

zziplib could be made to crash or run programs as your login if it opened a specially crafted file.

Software Description

  • zziplib - library providing read access on ZIP-archives - library

Details

It was discovered that zziplib incorrectly handled certain malformed ZIP files. If a user or automated system were tricked into opening a specially crafted ZIP file, a remote attacker could cause zziplib to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References