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securityvulnsSecurityvulnsSECURITYVULNS:DOC:21940
HistoryJun 04, 2009 - 12:00 a.m.

TPTI-09-04: Apple Terminal xterm Resize Escape Sequence Memory Corruption Vulnerability

2009-06-0400:00:00
vulners.com
7

TPTI-09-04: Apple Terminal xterm Resize Escape Sequence Memory Corruption
Vulnerability
http://dvlabs.tippingpoint.com/advisory/TPTI-09-04
June 2, 2009

– CVE ID:
CVE-2009-1717

– Affected Vendors:
Apple

– Affected Products:
Apple OS X

– TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 8152.
For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

– Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Apple Terminal. User interaction is required
to exploit this vulnerability in that the target must visit a malicious
page.

The specific flaw exists in the handling of 'CSI[4' xterm window
resizing escape code. When a very low negative value for (x, y) size is
set, an integer overflow occurs resulting in a memory corruption. This
can be further leveraged to execute arbitrary code under the context of
the logged in user.

– Vendor Response:
Apple has issued an update to correct this vulnerability. More
details can be found at:

http://support.apple.com/kb/HT3549

– Disclosure Timeline:
2009-05-06 - Vulnerability reported to vendor
2009-06-02 - Coordinated public release of advisory

– Credit:
This vulnerability was discovered by:
* James King, TippingPoint DVLabs

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