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[ GLSA 201201-08 ] FontForge: User-assisted execution of arbitrary code
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GLSA
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PostPosted: Mon Jan 23, 2012 2:26 pm    Post subject: [ GLSA 201201-08 ] FontForge: User-assisted execution of arb Reply with quote

Gentoo Linux Security Advisory

Title: FontForge: User-assisted execution of arbitrary code (GLSA 201201-08)
Severity: normal
Exploitable: remote
Date: January 23, 2012
Bug(s): #386293
ID: 201201-08

Synopsis

A stack-based buffer overflow flaw in FontForge could result in
execution of arbitrary code or a Denial of Service.


Background

FontForge is a PostScript font editor and converter.

Affected Packages

Package: media-gfx/fontforge
Vulnerable: < 20110222-r1
Unaffected: >= 20110222-r1
Architectures: All supported architectures


Description

FontForge is vulnerable to an error when processing the
"CHARSET_REGISTRY" header in font files, which could cause a stack-based
buffer overflow.


Impact

A remote attacker could entice a user to open a specially crafted BDF
file using FontForge font editor, possibly resulting in the remote
execution of arbitrary code with the privileges of the FontForge process,
or a Denial of Service (application crash).


Workaround

There is no known workaround at this time.

Resolution

All FontForge users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=media-gfx/fontforge-20110222-r1"
   
NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since October 12, 2011. It is likely that your system is
already no longer affected by this issue.


References

CVE-2010-4259


Last edited by GLSA on Sun Jun 15, 2014 4:30 am; edited 2 times in total
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