Ubuntu 15.10 USN-2788-1 Critical: Unzip Code Execution and DoS Threat

ubuntu

October 29, 2015

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

Summary

unzip could be made to crash or run programs as your login if it opened a

specially crafted file.

Software Description:

- unzip: De-archiver for .zip files

Details:

Gustavo Grieco discovered that unzip incorrectly handled certain password

protected archives. If a user or automated system were tricked into

processing a specially crafted zip archive, an attacker could possibly

execute arbitrary code. (CVE-2015-7696)

Gustavo Grieco discovered that unzip incorrectly handled certain malformed

archives. If a user or automated system were tricked into processing a

specially crafted zip archive, an attacker could possibly cause unzip to

hang, resulting in a denial of service. (CVE-2015-7697)

Topics Covered

security advisory code execution DoS Ubuntu unzip

Update Instructions

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

Ubuntu 15.10:
  unzip                           6.0-17ubuntu1.1

Ubuntu 15.04:
  unzip                           6.0-13ubuntu3.1

Ubuntu 14.04 LTS:
  unzip                           6.0-9ubuntu1.4

Ubuntu 12.04 LTS:
  unzip                           6.0-4ubuntu2.4

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