Security Bulletin
Summary
OpenSSL is used by IBM i. IBM i has addressed the applicable CVE.
Vulnerability Details
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by an error in the ChaCha20-Poly1305 AEAD cipher. By sending a message encrypted using a reused overly long nonce, an attacker could exploit this vulnerability to conduct serious confidentiality and integrity attacks.
CVSS Base Score: 4.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/157841 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)
Affected Products and Versions
Remediation/Fixes
The issue can be fixed by applying a PTF to IBM i. Releases 7.1, 7.2, 7.3 and 7.4 of IBM i are supported and will be fixed.
The IBM i PTF numbers are:
Release 7.1 – SI70818
Release 7.2, 7.3 & 7.4 – SI70819
https://www-945.ibm.com/support/fixcentral/
Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
28 August 2019: Original Version Published
*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:
18 December 2019
UID
ibm10967487