CVE-2017-12956 Denial of service in n/a
An illegal address access in Exiv2 allows remote attackers to cause a denial of service via crafted image files.
- 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-2017-12956?
CVE-2017-12956 is a medium-severity denial of service vulnerability in Exiv2 Exiv2, published on 18 Aug 2017. 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
There is an illegal address access in Exiv2::FileIo::path[abi:cxx11]() in basicio.cpp of libexiv2 in Exiv2 0.26 that will lead to remote denial of service.
Weakness: CWE-125
Which versions are affected by CVE-2017-12956?
It affects 1 product.
Products include Exiv2 Exiv2.
How do I fix CVE-2017-12956?
Upgrade to a fixed version.
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-2017-12956 being exploited?
There is no known exploitation of CVE-2017-12956 in the wild and no public exploit code.
Other vulnerabilities in Exiv2 Exiv2
Sources
Also known as GHSA-h285-vv62-q7vr.