CVE-2017-12955 Memory corruption in n/a
A heap-based buffer overflow 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-2017-12955?
CVE-2017-12955 is a high-severity memory corruption 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 a heap-based buffer overflow in basicio.cpp of Exiv2 0.26. The vulnerability causes an out-of-bounds write in Exiv2::Image::printIFDStructure(), which may lead to remote denial of service or possibly unspecified other impact.
Which versions are affected by CVE-2017-12955?
It affects 1 product.
Products include Exiv2 Exiv2.
How do I fix CVE-2017-12955?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-12955 being exploited?
There is no known exploitation of CVE-2017-12955 in the wild and no public exploit code.
Other vulnerabilities in Exiv2 Exiv2
Sources
Also known as GHSA-2fr9-r8v5-x2h3.