[Bug 1475396] New: CVE-2017-11576 fontforge: Does not ensure a positive size in a weight vector memcpy call in readcfftopdict function

https://bugzilla.redhat.com/show_bug.cgi?id=1475396

Bug ID: 1475396
           Summary: CVE-2017-11576 fontforge: Does not ensure a positive
                    size in a weight vector memcpy call in readcfftopdict
                    function
           Product: Security Response
         Component: vulnerability
          Keywords: Security
          Severity: low
          Priority: low
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail],
                    [e-mail], [e-mail],
                    [e-mail], [e-mail]

FontForge 20161012 does not ensure a positive size in a weight vector memcpy
call in readcfftopdict (parsettf.c) resulting in DoS via a crafted otf file.

Upstream issue:

https://github.com/fontforge/fontforge/issues/3091

[Bug 1475396] CVE-2017-11576 fontforge: Does not ensure a positive size in a weight vector memcpy call in readcfftopdict function

https://bugzilla.redhat.com/show_bug.cgi?id=1475396

Andrej Nemec  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
         Resolution|---                         |WONTFIX
        Last Closed|                            |2017-07-26 10:44:19

[Bug 1475396] CVE-2017-11576 fontforge: Does not ensure a positive size in a weight vector memcpy call in readcfftopdict function

https://bugzilla.redhat.com/show_bug.cgi?id=1475396

Andrej Nemec  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends On|                            |1475398

--- Comment #1 from Andrej Nemec  ---
Created fontforge tracking bugs for this issue:

Affects: fedora-all [bug 1475398]

Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1475398
[Bug 1475398] CVE-2017-11568 CVE-2017-11569 CVE-2017-11570 CVE-2017-11571
CVE-2017-11572 CVE-2017-11573 CVE-2017-11574 CVE-2017-11575 CVE-2017-11576
CVE-2017-11577 fontforge: various flaws [fedora-all]

[Bug 1475396] CVE-2017-11576 fontforge: Does not ensure a positive size in a weight vector memcpy call in readcfftopdict function

https://bugzilla.redhat.com/show_bug.cgi?id=1475396

--- Comment #2 from Parag Nemade  ---
Fixed in rawhide build fontforge-20170731-1.fc27

[Bug 1475396] CVE-2017-11576 fontforge: Does not ensure a positive size in a weight vector memcpy call in readcfftopdict function

https://bugzilla.redhat.com/show_bug.cgi?id=1475396
Bug 1475396 depends on bug 1475398, which changed state.

Bug 1475398 Summary: CVE-2017-11568 CVE-2017-11569 CVE-2017-11570 CVE-2017-11571 CVE-2017-11572 CVE-2017-11573 CVE-2017-11574 CVE-2017-11575 CVE-2017-11576 CVE-2017-11577 fontforge: various flaws [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1475398

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
         Resolution|---                         |NEXTRELEASE