CVE-2014-9601 Pillow denial of service via PNG bomb

Medium 5.0 Published Updated

Remote attackers can cause a denial of service in Pillow by submitting a malicious PNG image with a large decompressed text chunk.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2014-9601?

CVE-2014-9601 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 16 Jan 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Pillow before 2.7.0 allows remote attackers to cause a denial of service via a compressed text chunk in a PNG image that has a large size when it is decompressed.

Weakness: CWE-20

Which versions are affected by CVE-2014-9601?

3 open source packages ship an affected version, including pillow. It affects 4 products.

PackageAffectedFixed in
pillow PyPIAll versions2.7.0
pillow PyPIAll versions2.7.0
pillow PyPIAll versions2.7.0

Products include Fedoraproject Fedora, Opensuse Opensuse, Oracle Solaris, Python Pillow.

How do I fix CVE-2014-9601?

Upgrade pillow to 2.7.0 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2014-9601 being exploited?

There is no known exploitation of CVE-2014-9601 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-9601, GHSA-h5rf-vgqx-wjv2, MGASA-2015-0039, PYSEC-2015-16, UBUNTU-CVE-2014-9601, USN-3090-2.

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