Bug 500972 - (CVE-2009-0949) CVE-2009-0949 cups: IPP_TAG_UNSUPPORTED handling NULL pointer dereference DoS
CVE-2009-0949 cups: IPP_TAG_UNSUPPORTED handling NULL pointer dereference DoS
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
source=vendorsec,reported=20090513,pu...
: Security
Depends On: 498016 498017 498023 501976 501977
Blocks:
  Show dependency treegraph
 
Reported: 2009-05-15 05:22 EDT by Tomas Hoger
Modified: 2016-03-04 07:51 EST (History)
5 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2009-06-16 02:56:02 EDT
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
Probable patch (870 bytes, patch)
2009-05-15 05:27 EDT, Tomas Hoger
no flags Details | Diff

  None (edit)
Description Tomas Hoger 2009-05-15 05:22:24 EDT
Anibal Sacco from Core Security Technologies discovered a NULL pointer dereference flaw in CUPS daemon when handling the IPP_TAG_UNSUPPORTED, which allows remote attackers with access to CUPS' IPP port to crash cupsd.

Acknowledgements:

Red Hat would like to thank Anibal Sacco from Core Security Technologies
for reporting this issue.
Comment 3 Tomas Hoger 2009-05-15 05:27:56 EDT
Created attachment 344106 [details]
Probable patch

Extracted from upstream SVN, first appears in 1.3.10.

svn diff -c 8409 http://svn.easysw.com/public/cups/branches/branch-1.3/
Comment 7 Tomas Hoger 2009-06-03 02:26:32 EDT
Public now via Core Security Technologies advisory:
  http://www.coresecurity.com/content/AppleCUPS-null-pointer-vulnerability
Comment 8 errata-xmlrpc 2009-06-03 11:43:46 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2009:1082 https://rhn.redhat.com/errata/RHSA-2009-1082.html
Comment 9 errata-xmlrpc 2009-06-03 11:54:26 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 3
  Red Hat Enterprise Linux 4

Via RHSA-2009:1083 https://rhn.redhat.com/errata/RHSA-2009-1083.html

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