Bug 789443 (CVE-2012-0247, CVE-2012-0248) - CVE-2012-0247 CVE-2012-0248 ImageMagick: invalid validation of images denial of service
Summary: CVE-2012-0247 CVE-2012-0248 ImageMagick: invalid validation of images denial ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2012-0247, CVE-2012-0248
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: 796843 796844 796845 797121 804787 804788
Blocks: 789444
TreeView+ depends on / blocked
 
Reported: 2012-02-10 18:58 UTC by Vincent Danen
Modified: 2021-10-19 21:51 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-10-19 21:51:42 UTC
Embargoed:

Attachments (Terms of Use)
upstream patch (11.91 KB, patch)
2012-02-10 19:00 UTC, Vincent Danen 		no flags Details | Diff
Better patch from upstream (13.40 KB, patch)
2012-03-01 18:31 UTC, Stefan Cornelius 		no flags Details | Diff
Show Obsolete (1) View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2012:0544 0 normal SHIPPED_LIVE Moderate: ImageMagick security update 2012-05-07 22:22:16 UTC
Red Hat Product Errata RHSA-2012:0545 0 normal SHIPPED_LIVE Moderate: ImageMagick security and bug fix update 2012-05-07 22:21:08 UTC

Description Vincent Danen 2012-02-10 18:58:54 UTC 
Two input validation and denial of service flaws were reported [1],[2] in ImageMagick:

[CVE-2012-0247] When parsing a maliciously crafted image with incorrect offset and count in the ResolutionUnit tag in EXIF IFD0, ImageMagick copies two bytes into an invalid address.
[CVE-2012-0248] When parsing a maliciously crafted image with an IFD whose all IOP tags' value offsets point to the beginning of the IFD itself. As a result, ImageMagick parses the IFD structure indefinitely, causing a denial of service.

The patch (noted in the upstream report) fixes the flaw in magick/property.c, which exists in Fedora's versions of ImageMagick (6.6.5 and 6.7.0) and Red Hat Enterprise Linux 6 (6.5.4), however it does not exist in Red Hat Enterprise Linux 5 and earlier versions of ImageMagick (6.2.8).

[1] http://www.imagemagick.org/discourse-server/viewtopic.php?f=4&t=20286
[2] http://www.cert.fi/haavoittuvuudet/2012/haavoittuvuus-2012-021.html
Comment 1 Vincent Danen 2012-02-10 19:00:55 UTC 
Created attachment 560951 [details]
upstream patch
Comment 3 Stefan Cornelius 2012-02-23 18:31:38 UTC 
Created ImageMagick tracking bugs for this issue

Affects: fedora-all [bug 796843]
Comment 5 Stefan Cornelius 2012-02-24 10:38:30 UTC 
Created GraphicsMagick tracking bugs for this issue

Affects: fedora-all [bug 797121]
Comment 8 Stefan Cornelius 2012-03-01 18:31:54 UTC 
Created attachment 566909 [details]
Better patch from upstream

The previous patch was not complete. This is a newer patch from upstream, which should fix the issues completely.

Olivier: This will likely also obsolete your patch, but I didn't
investigate that any further.
Comment 14 errata-xmlrpc 2012-05-07 18:34:57 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2012:0545 https://rhn.redhat.com/errata/RHSA-2012-0545.html
Comment 15 errata-xmlrpc 2012-05-07 18:51:24 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2012:0544 https://rhn.redhat.com/errata/RHSA-2012-0544.html
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