Vulnerability CVE-2011-3442 - CERT Civis.Net

Vulnerability Name:

CVE-2011-3442 (CCN-71273)

Assigned:

2011-11-10

Published:

2011-11-10

Updated:

2012-02-15

Summary:

The kernel in Apple iOS before 5.0.1 does not ensure the validity of flag combinations for an mmap system call, which allows local users to execute arbitrary unsigned code via a crafted app.
Per: http://support.apple.com/kb/HT5052

'This issue does not affect devices running iOS prior to version 4.3.'

CVSS v3 Severity:

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.3 Medium (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.0 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2011-3442

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2011-11-10-1

Source: CCN
Type: SA46747
Apple iOS Multiple Vulnerabilities

Source: CCN
Type: SA46836
Apple iOS for iPad Multiple Vulnerabilities

Source: CCN
Type: Apple Web site
About the security content of iOS 5.0.1 Software Update

Source: CONFIRM
Type: Vendor Advisory
http://support.apple.com/kb/HT5052

Source: CCN
Type: OSVDB ID: 77016
Apple iOS Kernel mmap System Call Flag Combination Verification Remote Code Execution

Source: CCN
Type: BID-50575
Apple iOS Code Signing Security Bypass Vulnerability

Source: SECTRACK
Type: UNKNOWN
1026287

Source: XF
Type: UNKNOWN
appleios-logic-error-code-execution(71273)

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:ios:4.3.0:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.1:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.2:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.3:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.4:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.5:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.5:-:ipad:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.5:-:ipodtouch:*:*:*:*:*

OR cpe:/o:apple:ios:5.0:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:5.0:-:ipad:*:*:*:*:*

OR cpe:/o:apple:ios:5.0:-:iphone:*:*:*:*:*

OR cpe:/o:apple:ios:5.0:-:ipodtouch:*:*:*:*:*

Configuration CCN 1:

cpe:/o:apple:iphone_os:3.0:*:*:*:*:*:*:*

OR cpe:/o:apple:iphone_os:3.1:*:*:*:*:*:*:*

OR cpe:/o:apple:iphone_os:3.1.2:*:*:*:*:*:*:*

OR cpe:/o:apple:iphone_os:3.1.3:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.0:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.0.1:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.1:*:*:*:*:*:*:*

OR cpe:/o:apple:iphone_os:3.0.1:*:*:*:*:*:*:*

OR cpe:/o:apple:iphone_os:3.2:*:*:*:*:*:*:*

OR cpe:/o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*

OR cpe:/o:apple:iphone_os:3.2.2:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.0.2:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.2:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.2:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.0:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.1:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:4.3.3:*:*:*:*:*:*:*

OR cpe:/h:apple:iphone:3gs:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:5.0:*:*:*:*:*:*:*

Denotes that component is vulnerable