CVE-2016-4543 Memory corruption in n/a
Remote attackers can cause denial of service or potential code execution via crafted JPEG header data due to missing IFD size validation in PHP's exif extension.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4543?
CVE-2016-4543 is a critical memory corruption vulnerability in Fedoraproject Fedora, published on 22 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate IFD sizes, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
Weakness: CWE-119
Which versions are affected by CVE-2016-4543?
It affects 4 products.
Products include Fedoraproject Fedora, Hp System Management Homepage, Opensuse Leap, Php Php.
How do I fix CVE-2016-4543?
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-2016-4543 being exploited?
There is no known exploitation of CVE-2016-4543 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as GHSA-rq9w-g95x-fggp, UBUNTU-CVE-2016-4543.