CVE-2016-9950 Information

Description

An issue was discovered in Apport before 2.20.4. There is a path traversal issue in the Apport crash file \Package\ and \SourcePackage\ fields. These fields are used to build a path to the package specific hook files in the /usr/share/apport/package-hooks/ directory. An attacker can exploit this path traversal to execute arbitrary Python files from the local system.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/95011 http://www.ubuntu.com/usn/USN-3157-1 https://bugs.launchpad.net/apport/+bug/1648806 https://donncha.is/2016/12/compromising-ubuntu-desktop/ https://github.com/DonnchaC/ubuntu-apport-exploitation https://www.exploit-db.com/exploits/40937/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8