[Secure-testing-team] Bug#884905: graphicsmagick: CVE-2017-17782: heap-based buffer over-read in ReadOneJNGImage

[Salvatore Bonaccorso]

Source: graphicsmagick
Version: 1.3.27-1
Severity: important
Tags: patch security upstream
Forwarded: https://sourceforge.net/p/graphicsmagick/bugs/530/

Hi,

the following vulnerability was published for graphicsmagick.

CVE-2017-17782[0]:
| In GraphicsMagick 1.3.27a, there is a heap-based buffer over-read in
| ReadOneJNGImage in coders/png.c, related to oFFs chunk allocation.

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-2017-17782
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17782
[1] https://sourceforge.net/p/graphicsmagick/bugs/530/
[2] http://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset;node=8e3d2264109c

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore