Security Bulletin
Summary
MessageGateway has addressed the following vulnerability by updating the version of OpenSSL.
Vulnerability Details
CVEID: CVE-2021-3449
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference in signature_algorithms processing. By sending a specially crafted renegotiation
ClientHello message from a client, a remote attacker could exploit this vulnerability to cause the TLS server to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM WIoTP MessageGateway | 5.0.0.1 |
Remediation/Fixes
|
Product | VRMF | APAR | Remediation/First Fix |
| IBM WIoTP MessageGateway |
5.0.0.2
|
IT37192
| 5.0.0.2-IBM-IMA-IFIT37191 |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
10 Jun 2021: 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
Was this topic helpful?
Document Information
Modified date:
21 June 2021
UID
ibm16465583