Vulnerability Monitor

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CVE-2019-12423

Apache CXF ships with a OpenId Connect JWK Keys service, which allows a client to obtain the public keys in JWK format, which can then be used to verify the signature of tokens issued by the service. Typically, the service obtains the public key from a local keystore (JKS/PKCS12) by specifing the path of the keystore and the alias of the keystore entry. This case is not vulnerable. However it is also possible to obtain the keys from a JWK keystore file, by setting the configuration parameter "rs.security.keystore.type" to "jwk". For this case all keys are returned in this file "as is", including all private key and secret key credentials. This is an obvious security risk if the user has configured the signature keystore file with private or secret key credentials. From CXF 3.3.5 and 3.2.12, it is mandatory to specify an alias corresponding to the id of the key in the JWK file, and only this key is returned. In addition, any private key information is omitted by default. "oct" keys, which contain secret keys, are not returned at all.

Published

2020-01-16T18:15:11.400

Last Modified

2024-11-21T04:22:48.770

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-522
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache cxf < 3.2.12 Yes
Application apache cxf < 3.3.5 Yes
Application oracle commerce_guided_search 11.3.2 Yes
Application oracle communications_diameter_signaling_router ≤ 8.2.2 Yes
Application oracle communications_element_manager ≤ 8.2.2 Yes
Application oracle communications_session_report_manager ≤ 8.2.2 Yes
Application oracle communications_session_route_manager 8.1.1 Yes
Application oracle communications_session_route_manager 8.2.0 Yes
Application oracle communications_session_route_manager 8.2.1 Yes
Application oracle flexcube_private_banking 12.0.0 Yes
Application oracle flexcube_private_banking 12.1.0 Yes
Application oracle retail_order_broker 15.0 Yes
References