PHP.GdImageCreateFromGifCtx.Object.Information.Disclosure

Description

This indicates an attack attempt against an Information Disclosure vulnerability in PHP.
The vulnerability is caused by an error when the vulnerable software handles a specially crafted GIF file. A remote attacker can exploit this to gain access to sensitive information.

Affected Products

PHP Group PHP prior to 5.6.31
PHP Group PHP prior to 7.0.21
PHP Group PHP prior to 7.1.7

Impact

Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://bugs.php.net/bug.php?id=74435

References