N-155: Red Hat Updated Perl packages fix security issues

N-155: Red Hat Updated Perl packages fix security issues Privacy and Legal Notice INFORMATION BULLETIN N-155: Red Hat Updated Perl packages fix security issues [RHSA-2003:256-10] September 22, 2003 18:00 GMT
[REVISED 27 Oct 2003]
[REVISED 26 Jan 2004]
[REVISED 02 Feb 2004]
[REVISED 22 Sep 2005]
[REVISED 21 Mar 2006]


PROBLEM:	An attacker can break out of safe compartments within Safe::reval and Safe::rdo by using a redefined @_variable. Also, a cross-site scripting vulnerability was discovered in the start_form() function of CGI.pm.
PLATFORMS:	Red Hat Linux 7.1 Red Hat Linux 7.1 for iSeries Red Hat Linux 7.1 for pSeries Red Hat Linux 7.2, 7.3, 8.0, 9 Red Hat Enterprise Linux products Solaris 8 and 9 Perl version 5.005_03 through 5.6.x, and possibly older versions
DAMAGE:	An Attacker can break out of safe compartments, and a remote attacker can insert a Web script via a URL fed into the form's action parameter.
SOLUTION:	Users of Perl are advised to upgrade to the packages. Users of Red Hat Linux 7.1, 7.2, and 7.3, Perl version 5.6.1 contains backported security patches addressing these issues. Users of Red Hat Linux 8.0 and 9, Perl version 5.8.0 is supplied.

VULNERABILITY ASSESSMENT:	The risk is MEDIUM. It is possible for an attacker to break out of safe compartments within Safe. A remote attacker to insert a Web script via a URL fed into a forms action parameter.

LINKS:
CIAC BULLETIN:	http://www.ciac.org/ciac/bulletins/n-155.shtml
ORIGINAL BULLETIN:	https://rhn.redhat.com/errata/RHSA-2003-256.html
ADDITIONAL LINKS:	https://rhn.redhat.com/errata/RHSA-2003-257.html
	Sun Alert ID: 101426 (formerly 57473) http://sunsolve.sun.com/search/document.do?assetkey=1-26-101426-1 &searchclause=%22category:security%22%20%22availability,%20security %22%20category:security
	SGI Security Advisory #20040104-01-P (SGI BUG 876818) Perl http://www.sgi.com/support/security/advisories.html

REVISION HISTORY:
10/27/03 - Added additional link to Red Hat Advisory RHSA2003:257 for information 
           on their Red Hat Enterprise Linux products.
01/26/04 - Added a link to Sun Alert ID:57473 for Solaris 8 and 9.
02/02/04 - add a link to SGI Security Advisory #20040104-01-P Ref# SGI BUG 876818 
           for Perl.
09/22/05 - Updated link to Sun Alert ID: 101426 (formerly 57473).   
03/21/06 - Updated link to Sun Alert ID: 101426 (formerly 57473), which updated 
           Contributing Factors and Resolution sections 
   
[***** Start RHSA-2003:256-10 *****]

Updated Perl packages fix security issues.

Advisory: RHSA-2003:256-10 
Last updated on: 2003-09-22 
Affected Products: Red Hat Linux 7.1
Red Hat Linux 7.1 for iSeries
Red Hat Linux 7.1 for pSeries
Red Hat Linux 7.2
Red Hat Linux 7.3
Red Hat Linux 8.0
Red Hat Linux 9 
CVEs (cve.mitre.org): CAN-2002-1323
                      CAN-2003-0615
 

Security Advisory 


Details:

Updated Perl packages that fix a security issue in Safe.pm and a cross-site
scripting (XSS) vulnerability in CGI.pm are now available.

Perl is a high-level programming language commonly used for system
administration utilities and Web programming.

Two security issues have been found in Perl that affect the Perl packages
shipped with Red Hat Linux:

When safe.pm versions 2.0.7 and earlier are used with Perl 5.8.0 and
earlier, it is possible for an attacker to break out of safe compartments
within Safe::reval and Safe::rdo by using a redefined @_ variable. This is
due to the fact that the redefined @_ variable is not reset between
successive calls. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2002-1323 to this issue. NOTE:
This issue does not affect the Perl packages which shipped with Red Hat
Linux 9.

A cross-site scripting vulnerability was discovered in the start_form()
function of CGI.pm. The vulnerability allows a remote attacker to insert a
Web script via a URL fed into the form's action parameter. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2003-0615 to this issue.

Users of Perl are advised to upgrade to the packages contained within this
erratum. For Red Hat Linux 7.1, 7.2, and 7.3, Perl version 5.6.1 contains
backported security patches addressing these issues. For Red Hat Linux 8.0
and 9, Perl version 5.8.0 is supplied, which is not vulnerable to issue
CAN-2003-1323 and which contains a backported security patch addressing
issue CAN-2003-0615.



Updated packages:

Red Hat Linux 7.1 

--------------------------------------------------------------------------------
 
SRPMS: 
perl-5.6.1-36.1.71.src.rpm
[ via FTP ] [ via HTTP ]     0994d9f0d307114b9ff5a3a84c78229b 
  
i386: 
perl-5.6.1-36.1.71.i386.rpm
[ via FTP ] [ via HTTP ]     4e5c17ee59c6f42095eb320c8d0904bd 
perl-CGI-2.752-36.1.71.i386.rpm
[ via FTP ] [ via HTTP ]     484f2c937595632e9531b4032e29f50e 
perl-CPAN-1.59_54-36.1.71.i386.rpm
[ via FTP ] [ via HTTP ]     dfc42b708073a61c3d9f9f9b5c1f7959 
perl-DB_File-1.75-36.1.71.i386.rpm
[ via FTP ] [ via HTTP ]     60c0cabb19f411bcd427b7c683b44536 
perl-NDBM_File-1.75-36.1.71.i386.rpm
[ via FTP ] [ via HTTP ]     6c3bd193de0b1c8d19ca93838e089078 
perl-suidperl-5.6.1-36.1.71.i386.rpm
[ via FTP ] [ via HTTP ]     ab6f508cd17923a23f64fa73c58d523f 
  
Red Hat Linux 7.1 for iSeries 

--------------------------------------------------------------------------------
 
SRPMS: 
perl-5.6.1-36.1.71.src.rpm
[ via FTP ] [ via HTTP ]     0994d9f0d307114b9ff5a3a84c78229b 
  
ppc: 
perl-5.6.1-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     b34bc21fdcc6c92a960f3857ad199430 
perl-CGI-2.752-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     9d926272a2f9def6a6ed9020ab0d09b3 
perl-CPAN-1.59_54-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     3149414b45944023821923206640bbda 
perl-DB_File-1.75-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     697f05dfbdcff8e606fc372aaac2b9ee 
perl-NDBM_File-1.75-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     98aad53e528f30a469718504f82e820e 
perl-suidperl-5.6.1-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     0465a61f126fc211977f14f04b36b798 
  
Red Hat Linux 7.1 for pSeries 

--------------------------------------------------------------------------------
 
SRPMS: 
perl-5.6.1-36.1.71.src.rpm
[ via FTP ] [ via HTTP ]     0994d9f0d307114b9ff5a3a84c78229b 
  
ppc: 
perl-5.6.1-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     b34bc21fdcc6c92a960f3857ad199430 
perl-CGI-2.752-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     9d926272a2f9def6a6ed9020ab0d09b3 
perl-CPAN-1.59_54-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     3149414b45944023821923206640bbda 
perl-DB_File-1.75-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     697f05dfbdcff8e606fc372aaac2b9ee 
perl-NDBM_File-1.75-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     98aad53e528f30a469718504f82e820e 
perl-suidperl-5.6.1-36.1.71.ppc.rpm
[ via FTP ] [ via HTTP ]     0465a61f126fc211977f14f04b36b798 
  
Red Hat Linux 7.2 

--------------------------------------------------------------------------------
 
SRPMS: 
perl-5.6.1-36.1.72.src.rpm
[ via FTP ] [ via HTTP ]     e535d85774a13510bef89bd78b6b216f 
  
i386: 
perl-5.6.1-36.1.72.i386.rpm
[ via FTP ] [ via HTTP ]     03ab6415d69d4a102fe234f4b9f22748 
perl-CGI-2.752-36.1.72.i386.rpm
[ via FTP ] [ via HTTP ]     d585c9e8a58b09b3e5d4f87f1000db36 
perl-CPAN-1.59_54-36.1.72.i386.rpm
[ via FTP ] [ via HTTP ]     533d11a6fbc56f584aa5cd45a7dde8dd 
perl-DB_File-1.75-36.1.72.i386.rpm
[ via FTP ] [ via HTTP ]     ea118d193a1d788bc76917aaed12f111 
perl-NDBM_File-1.75-36.1.72.i386.rpm
[ via FTP ] [ via HTTP ]     bd85a685357c7c9e06334120bd525915 
perl-suidperl-5.6.1-36.1.72.i386.rpm
[ via FTP ] [ via HTTP ]     1cd65737a2adb8aff508f4d17d3608c8 
  
ia64: 
perl-5.6.1-36.1.72.ia64.rpm
[ via FTP ] [ via HTTP ]     01e342dd72f0d8aeacd1facfac2534a2 
perl-CGI-2.752-36.1.72.ia64.rpm
[ via FTP ] [ via HTTP ]     b91893cb70d3fd4e3283891194747cf0 
perl-CPAN-1.59_54-36.1.72.ia64.rpm
[ via FTP ] [ via HTTP ]     b5d9998614b01d5238db888b4fddcc9b 
perl-DB_File-1.75-36.1.72.ia64.rpm
[ via FTP ] [ via HTTP ]     6c91069b1f3128a05a4e7a0250227028 
perl-NDBM_File-1.75-36.1.72.ia64.rpm
[ via FTP ] [ via HTTP ]     2f393ca8ddcd822e863d93ab5e4a1bb2 
perl-suidperl-5.6.1-36.1.72.ia64.rpm
[ via FTP ] [ via HTTP ]     72af18dbe6f4667f7a726517b15c1f1a 
  
Red Hat Linux 7.3 

--------------------------------------------------------------------------------
 
SRPMS: 
perl-5.6.1-36.1.73.src.rpm
[ via FTP ] [ via HTTP ]     7b137d76ed95cbf9eecc9d660417b7ed 
  
i386: 
perl-5.6.1-36.1.73.i386.rpm
[ via FTP ] [ via HTTP ]     9a4fa98a57ff3b322ba18d9f0bb1864f 
perl-CGI-2.752-36.1.73.i386.rpm
[ via FTP ] [ via HTTP ]     9878354d09a308efcbfe00fd6e7665d6 
perl-CPAN-1.59_54-36.1.73.i386.rpm
[ via FTP ] [ via HTTP ]     ef7af3445fc8c7071febd7fd27a61b45 
perl-DB_File-1.75-36.1.73.i386.rpm
[ via FTP ] [ via HTTP ]     79f963a7050fa706fe684b5e33923fa9 
perl-NDBM_File-1.75-36.1.73.i386.rpm
[ via FTP ] [ via HTTP ]     30119242d86c4980cb60d03a0520c5e0 
perl-suidperl-5.6.1-36.1.73.i386.rpm
[ via FTP ] [ via HTTP ]     d169d03e8992fb0b016685522aa20dc9 
  
Red Hat Linux 8.0 

--------------------------------------------------------------------------------
 
SRPMS: 
perl-5.8.0-88.3.src.rpm
[ via FTP ] [ via HTTP ]     e27cfe1c0bc442ce7ebd12928479134e 
  
i386: 
perl-5.8.0-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     0ac800e33acab6522169d72dac29721b 
perl-CGI-2.81-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     cc53faea268b17b68d1494e9cd4d442b 
perl-CPAN-1.61-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     fb2a95814dbefd3a0d5f776f6bc47a27 
perl-DB_File-1.804-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     abc1c47518fda72936a247d93a175fe4 
perl-suidperl-5.8.0-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     69bc3cf938b5b0e6ad2657ceda85d19b 
  
Red Hat Linux 9 

--------------------------------------------------------------------------------
 
SRPMS: 
perl-5.8.0-88.3.src.rpm
[ via FTP ] [ via HTTP ]     e27cfe1c0bc442ce7ebd12928479134e 
  
i386: 
perl-5.8.0-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     0ac800e33acab6522169d72dac29721b 
perl-CGI-2.81-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     cc53faea268b17b68d1494e9cd4d442b 
perl-CPAN-1.61-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     fb2a95814dbefd3a0d5f776f6bc47a27 
perl-DB_File-1.804-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     abc1c47518fda72936a247d93a175fe4 
perl-suidperl-5.8.0-88.3.i386.rpm
[ via FTP ] [ via HTTP ]     69bc3cf938b5b0e6ad2657ceda85d19b 
  

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.

Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

If up2date fails to connect to Red Hat Network due to SSL Certificate 
Errors, you need to install a version of the up2date client with an updated 
certificate. The latest version of up2date is available from the Red Hat 
FTP site and may also be downloaded directly from the RHN website:

https://rhn.redhat.com/help/latest-up2date.pxt


References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1323
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0615
http://marc.theaimsgroup.com/?l=bugtraq&m=105880349328877
http://bugs6.perl.org/rt2/Ticket/Display.html?id=17744 


Keywords:

CGI.pm, Safe.pm 



--------------------------------------------------------------------------------
The listed packages are GPG signed by Red Hat, Inc. for security. Our key is available at:
http://www.redhat.com/solutions/security/news/publickey/#key 
You can verify each package and see who signed it with the following command:

rpm --checksig -v filename 
If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command:

md5sum filename 
The Red Hat security contact is security@redhat.com. More contact details at 
http://www.redhat.com/solutions/security/news/contact.html
 
 
  Copyright © 2002 Red Hat, Inc. All rights reserved. Search by Google
Careers at Red Hat : Legal statement : Privacy statement : Your Account : Credits : Contact Red Hat
 
 [***** End RHSA-2003:256-10 *****]

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