CVE-2011-4566 Integer overflow in n/a
Remote attackers can read arbitrary memory or cause denial of service via crafted EXIF headers in JPEG files processed by the PHP exif extension.
- 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-2011-4566?
CVE-2011-4566 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 29 Nov 2011. 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
Integer overflow in the exif_process_IFD_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on 32-bit platforms allows remote attackers to read the contents of arbitrary memory locations or cause a denial of service via a crafted offset_val value in an EXIF header in a JPEG file, a different vulnerability than CVE-2011-0708.
Weakness: CWE-189
Which versions are affected by CVE-2011-4566?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Php Php.
How do I fix CVE-2011-4566?
Upgrade to a fixed version.
Is CVE-2011-4566 being exploited?
There is no known exploitation of CVE-2011-4566 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-hp65-4pq5-qqw7.