USN-2845-1: SoS vulnerabilities

Ubuntu Security Notice USN-2845-1

17th 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 version:

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

CVE-2014-3925,

CVE-2015-7529

Source: ubuntu-usn

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