Vulnerability Name:

CVE-2014-2234 (CCN-91612)

Assigned:2014-03-03
Published:2014-03-03
Updated:2014-03-05
Summary:A certain Apple patch for OpenSSL in Apple OS X 10.9.2 and earlier uses a Trust Evaluation Agent (TEA) feature without terminating certain TLS/SSL handshakes as specified in the SSL_CTX_set_verify callback function's documentation, which allows remote attackers to bypass extra verification within a custom application via a crafted certificate chain that is acceptable to TEA but not acceptable to that application.
CVSS v3 Severity:6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
5.2 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N/E:U/RL:U/RC:UR)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
5.2 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N/E:U/RL:U/RC:UR)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-20
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2014-2234

Source: CCN
Type: BID-65989
Apple Mac OS X OpenSSL Certificate Validation CVE-2014-2234 Security-Bypass Vulnerability

Source: XF
Type: UNKNOWN
apple-macosx-cve20142234-sec-bypass(91612)

Source: CCN
Type: Hynek Schlawack
Apple OpenSSL Verification Surprises

Source: MISC
Type: Exploit
https://hynek.me/articles/apple-openssl-verification-surprises/

Source: CCN
Type: Apple Web site
Mac OS X

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version <= 10.9.2)

  • Configuration CCN 1:
  • cpe:/o:apple:mac_os_x:10.9.2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple mac os x *
    apple mac os x 10.9.2