Security Bulletin
Summary
A security vulnerability has been identified in OpenSSL that is used by Chef. IBM Cloud Manager with OpenStack uses Chef and is affected by this vulnerability.
Vulnerability Details
CVEID: CVE-2019-1551
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by an overflow in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. By performing a man-in-the-middle attack, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Cloud Manager | 4.3 |
Remediation/Fixes
The recommended solution is to manually get the fix for Chef from the following link:
https://discourse.chef.io/t/chef-infra-client-15-7-30-released/16573
If you face any issues following the Chef link, contact IBM support
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
21 Aug 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:
29 September 2020
UID
ibm16339109