National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-9950 Detail

Current 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.

Source:  MITRE
Description Last Modified:  12/16/2016
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 9.3 HIGH
Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/95011 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3157-1
https://bugs.launchpad.net/apport/+bug/1648806 Issue Tracking Patch
https://donncha.is/2016/12/compromising-ubuntu-desktop/ Exploit Technical Description Third Party Advisory
https://github.com/DonnchaC/ubuntu-apport-exploitation Issue Tracking Third Party Advisory
https://www.exploit-db.com/exploits/40937/

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9950
NVD Published Date:
12/16/2016
NVD Last Modified:
01/06/2017