USN-2845-1: SoS vulnerabilities

18 December 2015

sosreport vulnerabilities

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

  • Ubuntu 15.10
  • Ubuntu 15.04
  • Ubuntu 14.04 LTS

Summary

sosreport could be made to expose sensitive information or overwrite files as the administrator.

Software Description

  • sosreport - Set of tools to gather troubleshooting data from a system

Details

Dolev Farhi discovered an information disclosure issue in SoS. If the /etc/fstab file contained passwords, the passwords were included in the SoS report. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-3925)

Mateusz Guzik discovered that SoS incorrectly handled temporary files. A local attacker could possibly use this issue to overwrite arbitrary files or gain access to temporary file contents containing sensitive system information. (CVE-2015-7529)

Update instructions

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

Ubuntu 15.10
sosreport - 3.2-2ubuntu1.1
Ubuntu 15.04
sosreport - 3.2-2ubuntu0.1
Ubuntu 14.04 LTS
sosreport - 3.1-1ubuntu2.2

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