Apple iOS Passcode Lock security bypass
| appleios-passcodelock-security-bypass (59633) |  Medium Risk |
Description:
Apple iOS could allow a remote attacker to bypass security restrictions, caused by an error in Passcode Lock. If the device is unlocked in response to an alert and Remote Lock operations are handled through MobileMe, a local attacker could exploit this vulnerability using unknown attack vectors to bypass passcode requirements to gain unauthorized access to the device.
*CVSS:
| Base Score: | 3.7 |
| Access Vector: | Local |
| Access Complexity: | High |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 2.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Upgrade to the latest version of Apple iOS (4.0 or later), available from the Apple Web site. See References.
References:
- Apple Web site: About the security content of iOS 4.
- BID-41016: RETIRED: Apple iPhone/iPod touch Prior to iOS 4 Multiple Vulnerabilities
- BID-41067: Apple iPhone/iPod touch Prior to iOS 4 Passcode Lock Authentication Bypass Vulnerability
- CVE-2010-1754: Passcode Lock in Apple iOS before 4 on the iPhone and iPod touch does not properly handle alert-based unlocks in conjunction with subsequent Remote Lock operations through MobileMe, which allows physically proximate attackers to bypass intended passcode requirements via unspecified vectors.
- OSVDB ID: 65704: Apple iOS Passcode Lock on iPhone / iPod MobileMe Alert-based Unlock Passcode Requirement Bypass
- SA40257: Apple iOS Multiple Vulnerabilities
Platforms Affected:
- Apple iPhone OS 2.0
- Apple iPhone OS 2.0.0 iPodtouch
- Apple iPhone OS 2.0.1
- Apple iPhone OS 2.0.1 iPodtouch
- Apple iPhone OS 2.0.2
- Apple iPhone OS 2.0.2 iPodtouch
- Apple iPhone OS 2.1
- Apple iPhone OS 2.1 iPodtouch
- Apple iPhone OS 3.0
- Apple iPhone OS 3.0 iPodtouch
- Apple iPhone OS 3.1 iPodtouch
- Apple iPhone OS 3.1
- Apple iPhone OS 3.1.2 iPodtouch
- Apple iPhone OS 3.1.2
- Apple iPhone OS 3.1.3
Reported:
Jun 21, 2010
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.