Bug 639371 - (CVE-2010-3433) CVE-2010-3433 PostgreSQL (PL/Perl, PL/Tcl): SECURITY DEFINER function keyword bypass
CVE-2010-3433 PostgreSQL (PL/Perl, PL/Tcl): SECURITY DEFINER function keyword...
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
: Security
Depends On: 639928 639929 639930 639931 639932 639933 639934 640069 640090 640433 812235 812242
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Reported: 2010-10-01 11:11 EDT by Jan Lieskovsky
Modified: 2018-03-01 07:52 EST (History)
3 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2012-10-07 12:52:24 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Jan Lieskovsky 2010-10-01 11:11:42 EDT
A flaw was found in the way PostgreSQL handled SQL functions, created
with SECURITY DEFINER keyword and implemented in PL/Perl or PL/Tcl
languages. Once the PL/Perl or PL/Tcl procedural language was registered
on particular database, a remote, authenticated user, running a
specially-crafted PL/Perl or PL/Tcl script could use this flaw to bypass
intended PostgreSQL SECURITY DEFINER function definition refinement /
protection mechanism, allowing them to run particular PostgreSQL function
under their effective user ID, potentially leading to escalation of their

[1] http://www.postgresql.org/docs/8.1/interactive/plperl.html
[2] http://www.postgresql.org/docs/8.1/static/pltcl.html
[3] http://www.postgresql.org/docs/8.1/interactive/sql-createfunction.html
Comment 13 Jan Lieskovsky 2010-10-05 15:36:41 EDT
Created postgresql tracking bugs for this issue

Affects: fedora-all [bug 640433]
Comment 14 errata-xmlrpc 2010-10-06 06:29:34 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 4
  Red Hat Enterprise Linux 5

Via RHSA-2010:0742 https://rhn.redhat.com/errata/RHSA-2010-0742.html
Comment 15 Tomas Hoger 2010-10-06 12:39:55 EDT
Upstream wiki page with additional details and FAQ:
Comment 16 errata-xmlrpc 2010-11-23 11:00:18 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2010:0908 https://rhn.redhat.com/errata/RHSA-2010-0908.html

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