CVE-2015-8922 Null dereference in n/a
Remote attackers can cause a denial of service via a crafted 7z file due to a NULL pointer dereference in libarchive.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-8922?
CVE-2015-8922 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 20 Sep 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
The read_CodersInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted 7z file, related to the _7z_folder struct.
Weakness: CWE-476
Which versions are affected by CVE-2015-8922?
It affects 6 products.
Products include Canonical Ubuntu Linux, Libarchive Libarchive, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Server, Novell Suse Linux Enterprise Software Development Kit, Oracle Linux.
How do I fix CVE-2015-8922?
Upgrade to a fixed version.
Is CVE-2015-8922 being exploited?
There is no known exploitation of CVE-2015-8922 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2015-8922, GHSA-jp54-pqvh-vcwq, UBUNTU-CVE-2015-8922.