Security Bulletin
Summary
Multiple vulnerabilities exist in the Nimbus-JOSE-JWT used by IBM Spectrum Symphony V7.3 and V7.2.1. Interim fixes that provide instructions on upgrading the nimbus-jose-jwt package to version 8.10 are available on IBM Fix Central.
Vulnerability Details
CVEID: CVE-2017-12974
DESCRIPTION: Connect2id Nimbus JOSE+JWT could provide weaker than expected security, caused by proceeding with ECKey construction without ensuring that the public x and y coordinates are on the specified curve. A remote attacker could exploit this vulnerability to conduct an Invalid Curve Attack.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/130788 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2017-12972
DESCRIPTION: Connect2id Nimbus JOSE+JWT could provide weaker than expected security, caused by the lack of integer-overflow check when converting length values from bytes to bits. A remote attacker could exploit this vulnerability to conduct a HMAC bypass attack.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/130790 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
CVEID: CVE-2017-16007
DESCRIPTION: Node.js node-jose module could allow a remote attacker to obtain sensitive information, caused by a flaw when JWE with Key Agreement with Elliptic Curve Diffie-Hellman Ephemeral Static (ECDH-ES) is used. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to recover the private secret key.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/148284 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Spectrum Symphony | 7.3 |
| IBM Spectrum Symphony | 7.2.1 |
Remediation/Fixes
| IBM Spectrum Symphony 7.3 | sym-7.3-build544084 |
| IBM Spectrum Symphony 7.2.1 | sym-7.2.1-build544081 |
Workarounds and Mitigations
None
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References
Change History
17 Apr 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
17 April 2020
Initial Publish date:
17 April 2020
UID
ibm16194271