Security Bulletin: Multiple vulnerabilities in OpenSSL affect IBM Spectrum Protect Plus (CVE-2018-0735, CVE-2018-0734, CVE-2018-5407)

Security Bulletin

Summary

OpenSSL vulnerabilities were discllossed by the OpenSSL Project in October and November of 2018. IBM Spectrum Protect Plus uses OpenSSL and has addressed the applicable CVEs.
20 February 2020 - Changed fixing level from 10.1.5 to 10.1.5 patch1.
21 February 2020 - Provided link to 10.1.5 patch1.

Vulnerability Details

CVEID: CVE-2018-0735
DESCRIPTION: The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/152086 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2018-0734
DESCRIPTION: The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/152085 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2018-5407
DESCRIPTION: Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.
CVSS Base score: 5.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/152484 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Spectrum Protect Plus	10.1.0-10.1.5

Remediation/Fixes

Spectrum Protect Plus Release	First Fixing VRM Level	Platform	Link to Fix
10.1	10.1.5 patch1	Linux	https://www.ibm.com/support/pages/node/1072392

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

14 February 2020: Initial Publication
20 February 2020 - Changed fixing level from 10.1.5 to 10.1.5 patch1
21 February 2020 - Added download for 10.1.5 patch1

*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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Tips

Security Bulletin: Multiple vulnerabilities in OpenSSL affect IBM Spectrum Protect Plus (CVE-2018-0735, CVE-2018-0734, CVE-2018-5407)