LibTIFF could be made to crash or run programs as your login if it opened a specially crafted file.
USN-3212-1 fixed several issues in LibTIFF. This update provides a subset of corresponding update for Ubuntu 12.04 ESM.
7 August 2017
A security issue affects these releases of Ubuntu and its derivatives:
LibTIFF could be made to crash or run programs as your login if it opened a specially crafted file.
USN-3212-1 fixed several issues in LibTIFF. This update provides a subset of corresponding update for Ubuntu 12.04 ESM.
Mei Wang discovered a multiple integer overflows in LibTIFF which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image, which triggers an out-of-bounds write. (CVE-2016-3945)
It was discovered that LibTIFF is vulnerable to a heap buffer overflow in the resulting in DoS or code execution via a crafted BitsPerSample value. (CVE-2017-5225)
Original advisory details:
It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.