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Secunia Security Advisory 31074

Secunia Security Advisory 31074
Posted Jul 15, 2008
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been reported in Apple iPhone and iPod touch, which can be exploited by malicious people to conduct spoofing and cross-site scripting attacks, cause a DoS (Denial of Service), bypass certain security restrictions, or compromise a user's system.

tags | advisory, denial of service, spoof, vulnerability, xss
systems | apple, iphone
MD5 | b480195a7a6e36ac62ecd1e72e112c2c

Secunia Security Advisory 31074

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TITLE:
Apple iPhone / iPod touch Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA31074

VERIFY ADVISORY:
http://secunia.com/advisories/31074/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Cross Site Scripting, Spoofing, DoS, System access

WHERE:
>From remote

OPERATING SYSTEM:
Apple iPhone
http://secunia.com/product/15128/
Apple iPod touch
http://secunia.com/product/16074/

DESCRIPTION:
Some vulnerabilities have been reported in Apple iPhone and iPod
touch, which can be exploited by malicious people to conduct spoofing
and cross-site scripting attacks, cause a DoS (Denial of Service),
bypass certain security restrictions, or compromise a user's system.

1) An error in CFNetwork can be exploited to spoof secure websites
via 502 Bad Gateway errors from a malicious HTTPS proxy server.

2) A vulnerability in the handling of packets with an IPComp header
can be exploited to cause a DoS.

For more information:
SA29130

3) An error within Safari in the handling of Unicode ideographic
spaces can be exploited to spoof the URL of a trusted web site in the
address bar.

4) An error exists in Safari within the handling of self-signed or
invalid certificates. If a user clicks on the menu button while being
prompted to accept or reject such a certificate, Safari automatically
accepts the certificate on the next visit.

5) A signedness error in Safari when handling Javascript array
indices can be exploited to trigger an out-of-bounds memory access
and may allow execution of arbitrary code.

6) A vulnerability due to Safari ignoring Unicode Byte-order-Mark
(BOM) sequences when parsing web pages can be exploited to bypass
certain HTML and Javascript filtering mechanisms.

This is related to vulnerability #8 in:
SA20376

7) A vulnerability Safari can be exploited by malicious people to
compromise a vulnerable system.

For more information see vulnerability #3 in:
SA30775

8) An unspecified error exists in WebKit in the processing of
style-sheet elements. This can be exploited to cause a memory
corruption and may allow execution of arbitrary code when a user
visits a specially crafted web page.

9) An error in Safari when handling xml documents can be exploited by
malicious people to cause a DoS (Denial of Service).

For more information:
SA28444

10) An error in Safari when processing xml documents can potentially
be exploited by malicious people to compromise a user's system.

For more information:
SA30315

11) An unspecified error exists in JavaScriptCore's handling of
runtime garbage collection. This can be exploited to cause a memory
corruption and may allow execution of arbitrary code when a user
visits a specially crafted web page.

12) Some vulnerabilities in Safari can be exploited by malicious
people to conduct cross-site scripting attacks or potentially to
compromise a user's system.

For more information:
SA29846

The vulnerabilities are reported in iPhone version 1.0 through 1.1.4,
and iPod touch version 1.1 through 1.1.4.

SOLUTION:
Upgrade to version 2.0 (downloadable and installable via iTunes).

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
4) Hiromitsu Takagi
5) SkyLined, Google
6) Chris Weber, Casaba Security, LLC
7) James Urquhart
8) Peter Vreudegnhil, working with the TippingPoint Zero Day
Initiative
10) Anthony de Almeida Lopes of Outpost24 AB, and Chris Evans of
Google Security Team
11) Itzik Kotler and Jonathan Rom of Radware
12) Robert Swiecki of the Google Security Team, David Bloom, and
Charlie Miller of Independent Security Evaluators

ORIGINAL ADVISORY:
Apple:
http://support.apple.com/kb/HT2351

JVN:
http://jvn.jp/jp/JVN88676089/index.html

Chris Evans:
http://scary.beasts.org/security/CESA-2008-004.html

OTHER REFERENCES:
SA20376:
http://secunia.com/advisories/20376/

SA28444:
http://secunia.com/advisories/28444/

SA29130:
http://secunia.com/advisories/29130/

SA29846:
http://secunia.com/advisories/29846/

SA30315:
http://secunia.com/advisories/30315/

SA30775:
http://secunia.com/advisories/30775/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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