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TITLE:
Apple iOS Emergency Call Passcode Lock Security Bypass Weakness

SECUNIA ADVISORY ID:
SA41977

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/41977/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=41977

RELEASE DATE:
2010-10-27

DISCUSS ADVISORY:
http://secunia.com/advisories/41977/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/41977/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=41977

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A weakness has been discovered in Apple iPhone OS, which can be
exploited by malicious people with physical access to the device to
bypass certain security features.

The weakness is caused due to an error in the handling of emergency
calls, which can be exploited to bypass the "Passcode Lock" feature
and allows e.g. accessing the "Phone" application without a valid
passcode.

The weakness is confirmed in iOS 4.1 running on iPhone 3 and 4. Other
versions may also be affected.

SOLUTION:
There's currently no known workaround.

PROVIDED AND/OR DISCOVERED BY:
jordand321

ORIGINAL ADVISORY:
http://forums.macrumors.com/showpost.php?p=11283481&postcount=1

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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

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


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Secunia NEVER sends attached files with advisories.
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