|Description||An exploitable remote code execution vulnerability exists in the handling of TIFF images in LibTIFF version 4.0.6. A crafted TIFF document can lead to a type confusion vulnerability resulting in remote code execution. This vulnerability can be triggered via a TIFF file delivered to the application using LibTIFF's tag extension functionality.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)|
Vulnerable and fixed packages
The table below lists information on source packages.
|buster, buster (security)||4.1.0+git191117-2~deb10u2||fixed|
The information below is based on the following data on fixed versions.
|Package||Type||Release||Fixed Version||Urgency||Origin||Debian Bugs|
[wheezy] - tiff3 <not-affected> (Does not ship libtiff tools)
thumbnail(1) was removed in 4.0.6-3 and DSA 3762, marking as fixed although technically still present in the source package
From the backtrace shared in the report, we can see that the crash is triggered though the thumbnail tool which has been dropped upstream.