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Bug 1191079 - (CVE-2014-9657) CVE-2014-9657 freetype: off-by-one buffer over-read in tt_face_load_hdmx()
CVE-2014-9657 freetype: off-by-one buffer over-read in tt_face_load_hdmx()
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20141124,reported=2...
: Security
Depends On: 1191099 1197737 1197738 1197739 1197740
Blocks: 1191102
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Reported: 2015-02-10 07:50 EST by Vasyl Kaigorodov
Modified: 2015-11-25 05:28 EST (History)
23 users (show)

See Also:
Fixed In Version: freetype 2.5.4
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Environment:
Last Closed: 2015-03-18 03:40:56 EDT
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:0696 normal SHIPPED_LIVE Important: freetype security update 2015-03-17 17:58:07 EDT

  None (edit)
Description Vasyl Kaigorodov 2015-02-10 07:50:07 EST 
Common Vulnerabilities and Exposures assigned CVE-2014-9657 to the following issue:

The tt_face_load_hdmx function in truetype/ttpload.c in FreeType before 2.5.4
does not establish a minimum record size, which allows remote attackers to cause
a denial of service (out-of-bounds read) or possibly have unspecified other
impact via a crafted TrueType font.

http://code.google.com/p/google-security-research/issues/detail?id=195
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=eca0f067068020870a429fe91f6329e499390d55
Comment 1 Vasyl Kaigorodov 2015-02-10 07:55:14 EST 
Created freetype tracking bugs for this issue:

Affects: fedora-all [bug 1191099]
Comment 2 Tomas Hoger 2015-02-19 08:13:10 EST 
Upstream bug is:
https://savannah.nongnu.org/bugs/?43679

Issue was fixed upstream in 2.5.4.

This is a single byte heap-based buffer over-read.  A probability of this causing crash is extremely low.
Comment 4 Fedora Update System 2015-02-19 13:01:04 EST 
freetype-2.5.3-15.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2015-02-20 03:30:37 EST 
freetype-2.5.0-9.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 7 errata-xmlrpc 2015-03-17 13:58:49 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2015:0696 https://rhn.redhat.com/errata/RHSA-2015-0696.html
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