CVE-2016-9950

HIGH

Apport < 2.20.4 - Path Traversal via Package Hook Fields

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-9950. PoCs published by Donncha OCearbhaill.

AI-analyzed exploit summary This is a writeup discussing multiple vulnerabilities in Apport, including CVE-2016-9951, which allows arbitrary command execution via the 'Relaunch' action. The text provides context, links to fixes, and encourages responsible disclosure.

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.

Exploits (1)

exploitdb WRITEUP
by Donncha OCearbhaill · textlocallinux
https://www.exploit-db.com/exploits/40937

This is a writeup discussing multiple vulnerabilities in Apport, including CVE-2016-9951, which allows arbitrary command execution via the 'Relaunch' action. The text provides context, links to fixes, and encourages responsible disclosure.

Classification
Writeup 100%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Apport (Ubuntu)
No auth needed
Prerequisites: Access to a vulnerable Apport instance
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/DonnchaC/ubuntu-apport-exploitation
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://donncha.is/2016/12/compromising-ubuntu-desktop/
Issue Tracking, Patch x_refsource_misc
https://bugs.launchpad.net/apport/+bug/1648806
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/95011
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-3157-1
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/40937/

Scores

CVSS v3 7.8
EPSS 0.0655
EPSS Percentile 93.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-22
Status published
Products (2)
apport_project/apport < 2.20.3
canonical/ubuntu_linux < 12.10
Published Dec 17, 2016
Tracked Since Feb 18, 2026