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Security Bulletin: OpenSSL vunerability

Security Bulletin


Summary

IBM MessageSight has addressed the following vulnerability. OpenSSL could allow a remote attacker to obtain sensitive information, caused by a timing side channel attack in the DSA signature algorithm. An attacker could exploit this vulnerability using variations in the signing algorithm to recover the private key.

Vulnerability Details

CVEID: CVE-2018-0734
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a timing side channel attack in the DSA signature algorithm. An attacker could exploit this vulnerability using variations in the signing algorithm to recover the private key.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152085 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:N/A:N)

Affected Products and Versions

Affected IBM MessageSight Affected Versions
IBM MessageSight 2.0.0.0 - 2.0.0.2

Remediation/Fixes

Pricipal Product/Version Affected Supporting Product/Versions Affected Supporting Product Security Bulletin
MessageSight 2.0.0.0 - 2.0.0.2
OpenSSL 1.1.1 (fixed in 1.1.1a)
OpenSSL 1.1.0-1.1.0i (fixed in 1.1.0j)
OpenSSL 1.0.2-1.0.2p fixed in 1.0.2q
OpenSSL Security Advisory

Workarounds and Mitigations

None

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References

Off
Change History
18 January 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.

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Document Information

Modified date:
21 January 2019

UID

ibm10796086