Security Bulletin
Summary
IBM has addressed the applicable CVE.
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 DataPower Gateway V10 CD | 10.0.2.0 |
| IBM DataPower Gateway 10.0.1 | 10.0.1.0-10.0.1.3 |
Remediation/Fixes
| Affected Product | Fixed in Version | APAR |
| IBM DataPower Gateway V10 CD | 10.0.3.0 | IT36407 |
| IBM DataPower Gateway 10.0.1 | 10.0.1.4 | IT36407 |
Workarounds and Mitigations
None
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References
Change History
12 Aug 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
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Document Information
Modified date:
16 August 2021
UID
ibm16481675