Rare Steganography Hack Can Compromise Fully Patched Websites

An unusual steganographic technique that an attacker can use to implant a malicious webshell on unsuspecting websites has been spotted in Latin America. According to research from Trustwave shared exclusively with Threatpost, a forensic investigation showed that an adversary is implanting PHP cod...

PHP 5.6.x < 5.6.21 Multiple Vulnerabilities

According to its banner, the version of PHP running on the remote web server is 5.6.x prior to 5.6.21. It is, therefore, affected by multiple vulnerabilities : - A signedness error exists in the GD Graphics library within file gdgd2.c due to improper validation of user-supplied input when handlin...

PHP 5.5.x < 5.5.35 Multiple Vulnerabilities

According to its banner, the version of PHP running on the remote web server is 5.5.x prior to 5.5.35. It is, therefore, affected by multiple vulnerabilities : - A signedness error exists in the GD Graphics library within file gdgd2.c due to improper validation of user-supplied input when handlin...

Ubuntu: Security Advisory (USN-1307-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2011 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-654-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2009 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-471-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2009 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-654-1: libexif vulnerabilities

Meder Kydyraliev discovered that libexif did not correctly handle certain EXIF headers. If a user or automated system were tricked into processing a specially crafted image, a remote attacker could cause the application linked against libexif to crash, leading to a denial of service, or possibly...