Vulnerability Name:

CVE-2011-3427 (CCN-70547)

Assigned:2011-10-12
Published:2011-10-12
Updated:2017-08-29
Summary:The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted 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-2011-3427

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

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2011-10-12-2

Source: APPLE
Type: UNKNOWN
APPLE-SA-2013-10-22-3

Source: OSVDB
Type: UNKNOWN
76326

Source: CCN
Type: SA46377
Apple iOS Multiple Vulnerabilities

Source: CCN
Type: SA46415
Apple TV Multiple Vulnerabilities

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

Source: CONFIRM
Type: Vendor Advisory
http://support.apple.com/kb/HT5001

Source: CCN
Type: Apple Web site
Apple TV Software Update 4.4

Source: CCN
Type: OSVDB ID: 76326
Apple iOS Data Security X.509 Certificate MD5 Hash MitM Weakness

Source: XF
Type: UNKNOWN
appleios-appletv-x509-spoofing(70547)

Source: XF
Type: UNKNOWN
appleios-appletv-x509-spoofing(70547)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:tvos:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.3:*:*:*:*:*:*:*

    • Configuration 2:
  • 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:tvos:4.0:*:*:*:*:*:*:*
  • 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:tvos:4.1:*:*:*:*:*:*:*
  • 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:/o:apple:tvos:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple apple tv 4.0
    apple apple tv 4.1
    apple apple tv 4.2
    apple apple tv 4.3
    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 apple tv 4.0
    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 apple tv 4.1
    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 apple tv 4.2
    apple apple tv 4.3