CVE-2016-9190 Arbitrary code using "crafted image file" approach affecting Pillow
Attackers can execute arbitrary code via crafted image files due to an insecure sign extension flaw in the Pillow library.
- 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-2016-9190?
CVE-2016-9190 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 4 Nov 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
Pillow before 3.3.2 allows context-dependent attackers to execute arbitrary code by using the "crafted image file" approach, related to an "Insecure Sign Extension" issue affecting the ImagingNew in Storage.c component.
Weakness: CWE-284
Which versions are affected by CVE-2016-9190?
3 open source packages ship an affected version, including pillow and Pillow. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
pillow PyPI | All versions | 3.3.2 |
pillow PyPI | All versions | 3.3.2 |
Pillow PyPI | All versions | 3.3.2 |
Products include Debian Debian Linux, Python Pillow.
How do I fix CVE-2016-9190?
Upgrade pillow to 3.3.2 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-9190 being exploited?
There is no known exploitation of CVE-2016-9190 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2016-9190, GHSA-w4vg-rf63-f3j3, PYSEC-2016-9, UBUNTU-CVE-2016-9190.