CVE-2016-9950 Path traversal in n/a

What is CVE-2016-9950?

CVE-2016-9950 is a high-severity path traversal vulnerability in Canonical Ubuntu Linux, published on 17 Dec 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-22

Which versions are affected by CVE-2016-9950?

It affects 2 products.

Products include Apport Project Apport, Canonical Ubuntu Linux.

How do I fix CVE-2016-9950?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2016-9950 being exploited?

There is no known exploitation of CVE-2016-9950 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2022-28657 Denial of service in Apport High 7.8
• CVE-2018-6552 Apport treats the container PID as the global PID when /proc/<global_pid>/ is missing High 7.8
• CVE-2017-14177 Privilege escalation in Apport High 7.8
• CVE-2017-14179 Privilege escalation in Apport High 7.8
• CVE-2017-14180 Privilege escalation in Apport High 7.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rgrg-wm7f-3pp8, UBUNTU-CVE-2016-9950.