CVE-2013-7456 Memory corruption in n/a
Remote attackers can cause denial of service via crafted images in the GD library, affecting PHP applications using imagescale.
- 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-2013-7456?
CVE-2013-7456 is a high-severity memory corruption vulnerability in n/a, published on 7 Aug 2016. 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
gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.1.1, as used in PHP before 5.5.36, 5.6.x before 5.6.22, and 7.x before 7.0.7, allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a crafted image that is mishandled by the imagescale function.
Weakness: CWE-125
Which versions are affected by CVE-2013-7456?
It affects 1 product.
Products include Libgd Libgd.
How do I fix CVE-2013-7456?
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-2013-7456 being exploited?
There is no known exploitation of CVE-2013-7456 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2013-7456, GHSA-f3c2-5v72-7m7f, UBUNTU-CVE-2013-7456.