Bug 839183 (CVE-2012-2814) - CVE-2012-2814 libexif: "exif_entry_format_value()" buffer overflow
Summary: CVE-2012-2814 libexif: "exif_entry_format_value()" buffer overflow
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2012-2814
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 839913 839914 839915 839916 839917
Blocks: 839036
TreeView+ depends on / blocked
 
Reported: 2012-07-11 07:32 UTC by Stefan Cornelius
Modified: 2023-05-12 20:18 UTC (History)
3 users (show)

Fixed In Version: libexif 0.6.21
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-05-08 18:29:21 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2012:1255 0 normal SHIPPED_LIVE Moderate: libexif security update 2012-09-11 22:12:47 UTC

Description Stefan Cornelius 2012-07-11 07:32:08 UTC 
A buffer overflow in the exif_entry_format_value function in libexif/exif-entry.c in libexif 0.6.20 allows remote attackers to cause a denial of service or possibly execute arbitrary code via an image with crafted EXIF tags.
Comment 1 Vincent Danen 2012-07-12 19:54:07 UTC 
This now public via exif 0.6.21:

http://libexif.cvs.sourceforge.net/viewvc/libexif/libexif/ChangeLog?revision=1.370
http://libexif.cvs.sourceforge.net/viewvc/libexif/libexif/libexif/exif-entry.c?r1=1.145&r2=1.146&view=patch
Comment 3 Stefan Cornelius 2012-07-13 08:13:02 UTC 
Created libexif tracking bugs for this issue

Affects: fedora-all [bug 839917]
Comment 4 Stefan Cornelius 2012-08-10 08:52:38 UTC 
Upstream advisory:
http://sourceforge.net/mailarchive/message.php?msg_id=29534027
Comment 5 Murray McAllister 2012-08-22 06:47:11 UTC 
Acknowledgements:

Red Hat would like to thank Dan Fandrich for reporting this issue. Upstream acknowledges Mateusz Jurczyk of the Google Security Team as the original reporter.
Comment 6 errata-xmlrpc 2012-09-11 18:16:01 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 5

Via RHSA-2012:1255 https://rhn.redhat.com/errata/RHSA-2012-1255.html
Comment 7 Fedora Update System 2013-02-08 02:13:54 UTC 
libexif-0.6.21-2.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 8 Fedora Update System 2013-02-08 02:34:14 UTC 
libexif-0.6.21-2.fc17 has been pushed to the Fedora 17 stable repository.  If problems still persist, please make note of it in this bug report.
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