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Netsikker nu! 2008
 
IBM AIX Perl Regular Expressions Unicode Data Buffer Overflow
Secunia Advisory: SA28167
Release Date: 2007-12-19
Last Update: 2008-03-12
Popularity: 5,116 views

Critical:
Moderately critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

OS:AIX 5.x
AIX 6.x

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CVE reference:CVE-2007-5116


Description:
IBM has acknowledged a vulnerability in AIX, which potentially can be exploited by malicious people to compromise a vulnerable system.

For more information:
SA27546

The vulnerability affects AIX 5.2, 5.3, and 6.1.

Solution:
Apply interim fix.
ftp://aix.software.ibm.com/aix/efixes/security/perl_ifix.tar

Apply APARs as soon as they become available.

AIX 5.2:
APAR IZ10220 (available approximately 05/14/2008)

AIX 5.3 through TL06:
APAR IZ10244

AIX 5.3 TL07:
APAR IZ10245

AIX 6.1:
APAR IZ10245

NOTE: The vendor has updated the interim fix with PTFs for APARs IY98394 and IY98395 on 2007-12-19. Apply the new interim fix (please see IBM Security Advisory).

Changelog:
2007-12-20: Updated "Solution" section with information about updated interim fix.
2008-03-12: Updated "Solution" section. APARs IZ10244 and IZ10245 are reportedly available. Added links to IBM.

Original Advisory:
IBM:
http://www14.software.ibm.com/webapp/...criptions/pqvcmjd?mode=18&ID=4170
http://www14.software.ibm.com/webapp/...criptions/pqvcmjd?mode=18&ID=4171
http://www14.software.ibm.com/webapp/...criptions/pqvcmjd?mode=18&ID=4172
ftp://aix.software.ibm.com/aix/efixes/security/README

Other References:
SA27546:
http://secunia.com/advisories/27546/


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