[Secure-testing-team] Bug#885579: tiff: CVE-2017-17942: heap-buffer-overflow in PackBitsEncode function

[Salvatore Bonaccorso]

Source: tiff
Version: 4.0.8-1
Severity: important
Tags: security upstream
Forwarded: http://bugzilla.maptools.org/show_bug.cgi?id=2767

Hi,

the following vulnerability was published for tiff.

CVE-2017-17942[0]:
| In LibTIFF 4.0.9, there is a heap-based buffer over-read in the
| function PackBitsEncode in tif_packbits.c.

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-2017-17942
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17942
[1] http://bugzilla.maptools.org/show_bug.cgi?id=2767

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore