[Secure-testing-team] Bug#885985: tiff: CVE-2017-18013: NULL Pointer Dereference

[Salvatore Bonaccorso]

Source: tiff
Version: 4.0.9-2
Severity: important
Tags: patch security upstream
Forwarded: http://bugzilla.maptools.org/show_bug.cgi?id=2770
Control: found -1 4.0.3-1

Hi,

the following vulnerability was published for tiff.

CVE-2017-18013[0]:
| In LibTIFF 4.0.9, there is a Null-Pointer Dereference in the
| tif_print.c TIFFPrintDirectory function, as demonstrated by a tiffinfo
| crash.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-18013
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18013

Please adjust the affected versions in the BTS as needed, looking at
the code, and unless I miss something this issue goes back to
4.0.3-1, thus marking it as such. Please correct me if I was wrong.

Regards,
Salvatore