Vulnerability Name:

CVE-2011-3253 (CCN-70548)

Assigned:2011-10-12
Published:2011-10-12
Updated:2011-10-14
Summary:CalDAV in Apple iOS before 5 does not validate X.509 certificates for SSL sessions, which allows man-in-the-middle attackers to spoof calendar servers and obtain sensitive information via an arbitrary certificate.
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:N/I:L/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:2.6 Low (CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:N)
1.9 Low (Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2011-3253

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

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: 76319
Apple iOS CalDAV Calendar Server SSL Certificate Verification Weakness Remote Information Disclosure

Source: XF
Type: UNKNOWN
appleios-caldav-spoofing(70548)

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