[Secure-testing-team] Bug#859998: tiff: CVE-2017-7592

[Salvatore Bonaccorso]

Source: tiff
Version: 4.0.7-5
Severity: important
Tags: security upstream
Forwarded: http://bugzilla.maptools.org/show_bug.cgi?id=2658

Hi,

the following vulnerability was published for tiff.

CVE-2017-7592[0]:
| The putagreytile function in tif_getimage.c in LibTIFF 4.0.7 has a
| left-shift undefined behavior issue, which might allow remote attackers
| to cause a denial of service (application crash) or possibly have
| unspecified other impact via a crafted image.

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-2017-7592
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7592
[1] http://bugzilla.maptools.org/show_bug.cgi?id=2658

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore