Vulnerability Name:

CVE-2011-3257 (CCN-70553)

Assigned:2011-10-12
Published:2011-10-12
Updated:2017-08-29
Summary:The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
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): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
1.6 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-264
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2011-3257

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2011-10-12-1

Source: OSVDB
Type: UNKNOWN
76325

Source: CCN
Type: SA46377
Apple iOS Multiple Vulnerabilities

Source: CCN
Type: Apple Web site
About the security content of iOS 5 Software Update

Source: CONFIRM
Type: Vendor Advisory
http://support.apple.com/kb/HT4999

Source: CCN
Type: OSVDB ID: 76325
Apple iOS Data Access Mail Exchange Account Cookie Disclosure

Source: XF
Type: UNKNOWN
appleios-data-access-info-disc(70553)

Source: XF
Type: UNKNOWN
appleios-data-access-info-disc(70553)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:3.0:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1:-:ipodtouch:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1.2:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1.3:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2:-:ipodtouch:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2.1:-:ipad:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0:-:ipodtouch:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.1:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.1:-:ipodtouch:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.2.5:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.2.8:*:*:*:*:*:*:*
  • OR 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:4.3.5:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.5:-:ipad:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.5:-: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:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os 3.0 -
    apple iphone os 3.1
    apple iphone os 3.1 -
    apple iphone os 3.1 -
    apple iphone os 3.1.2 -
    apple iphone os 3.1.3 -
    apple iphone os 3.2 -
    apple iphone os 3.2 -
    apple iphone os 3.2.1
    apple iphone os 3.2.1 -
    apple iphone os 3.2.2
    apple iphone os 4.0
    apple iphone os 4.0 -
    apple iphone os 4.0 -
    apple iphone os 4.0.1
    apple iphone os 4.0.1 -
    apple iphone os 4.0.1 -
    apple iphone os 4.0.2
    apple iphone os 4.1
    apple iphone os 4.2.1
    apple iphone os 4.2.5
    apple iphone os 4.2.8
    apple iphone os 4.3.0
    apple iphone os 4.3.1
    apple iphone os 4.3.2
    apple iphone os 4.3.3
    apple iphone os 4.3.5
    apple iphone os 4.3.5 -
    apple iphone os 4.3.5 -
    apple iphone os 3.0
    apple iphone os 3.1
    apple iphone os 3.1.2
    apple iphone os 3.1.3
    apple iphone os 4.0
    apple iphone os 4.0.1
    apple iphone os 4.1
    apple iphone os 3.0.1
    apple iphone os 3.2
    apple iphone os 3.2.1
    apple iphone os 3.2.2
    apple iphone os 4.0.2
    apple iphone os 4.2
    apple iphone os 4.3.2
    apple iphone os 4.3.0
    apple iphone os 4.3.1
    apple iphone os 4.3.3
    apple iphone 3gs