CVE-2018-14851 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted JPEG file due to an out-of-bounds read in the PHP EXIF extension.
- 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-2018-14851?
CVE-2018-14851 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 2 Aug 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
exif_process_IFD_in_MAKERNOTE in ext/exif/exif.c in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG file.
Weakness: CWE-125
Which versions are affected by CVE-2018-14851?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Netapp Storage Automation Store, Php Php.
How do I fix CVE-2018-14851?
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-2018-14851 being exploited?
There is no known exploitation of CVE-2018-14851 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-14851, GHSA-f8q9-j8w7-gmcr, UBUNTU-CVE-2018-14851.