Bug#891288: tiff: CVE-2018-7456: null pointer dereference

2018-04-14 Thread GCS 
Hi Hugo,

On Sun, Apr 15, 2018 at 6:08 AM, Hugo Lefeuvre  wrote:
> My MR was accepted. I'm going to backport the fix to Wheezy tomorrow,
> should I also prepare a patch for Jessie & Stretch at the same time ?
 Thanks for the offer - I would like to do it late in the afternoon
when I get back home.

Cheers,
Laszlo/GCS

Bug#891288: tiff: CVE-2018-7456: null pointer dereference

2018-04-14 Thread Hugo Lefeuvre 
Hi,

My MR was accepted. I'm going to backport the fix to Wheezy tomorrow,
should I also prepare a patch for Jessie & Stretch at the same time ?

Cheers,
 Hugo

-- 
 Hugo Lefeuvre (hle)|www.owl.eu.com
4096/ 9C4F C8BF A4B0 8FC5 48EB 56B8 1962 765B B9A8 BACA


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Bug#891288: tiff: CVE-2018-7456: null pointer dereference

2018-04-12 Thread Salvatore Bonaccorso 
Control: tags -1 + fixed-upstream

The issue was fixed upstream via 
https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b

Regards,
Salvatore

Bug#891288: tiff: CVE-2018-7456: null pointer dereference

2018-02-24 Thread Salvatore Bonaccorso 
Source: tiff
Version: 4.0.9-3
Severity: important
Tags: security upstream
Forwarded: http://bugzilla.maptools.org/show_bug.cgi?id=2778

Hi,

the following vulnerability was published for tiff.

CVE-2018-7456[0]:
| A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in
| tif_print.c in LibTIFF 4.0.9 when using the tiffinfo tool to print
| crafted TIFF information, a different vulnerability than
| CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory
| function that was not addressed by the CVE-2017-18013 patch.)

Note that this is a different issue than CVE-2017-18013. Attached is
the poc from the reporter.

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-2018-7456
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7456
[1] http://bugzilla.maptools.org/show_bug.cgi?id=2778

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore