Synopsis
The remote Debian host is missing a security update.
Description
Several vulnerabilities have been discovered in the Tag Image File Format (TIFF) library and its associated tools.
CVE-2017-11335
A heap based buffer overflow via a PlanarConfig=Contig image, which causes an out-of-bounds write (related to the ZIPDecode function). A crafted input may lead to a remote denial of service attack or an arbitrary code execution attack.
CVE-2017-12944
A mishandling of memory allocation for short files allows attackers to cause a denial of service (allocation failure and application crash) during a tiff2pdf invocation.
CVE-2017-13726
A reachable assertion abort allows a crafted input to lead to a remote denial of service attack.
CVE-2017-13727
A reachable assertion abort allows a crafted input to lead to a remote denial of service attack.
For Debian 7 'Wheezy', these problems have been fixed in version 4.0.2-6+deb7u16.
We recommend that you upgrade your tiff packages.
NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Upgrade the affected packages.