CVE-2017-18185 Integer overflow in n/a

Medium 5.5 Published Updated

An integer overflow in QPDF's PNG filter leads to a heap-based out-of-bounds read, potentially causing crashes or information disclosure.

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-2017-18185?

CVE-2017-18185 is a medium-severity vulnerability in n/a, published on 13 Feb 2018. 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 QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.

Weakness: CWE-125

Which versions are affected by CVE-2017-18185?

It affects 1 product.

Products include Qpdf Project Qpdf.

How do I fix CVE-2017-18185?

Upgrade to a fixed version.

Is CVE-2017-18185 being exploited?

There is no known exploitation of CVE-2017-18185 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-18185, GHSA-36w8-h6xw-wxr6, UBUNTU-CVE-2017-18185.

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