Security Bulletin: OpenSSL vulnerabilities affect IBM Spectrum Control (CVE-2020-1967, CVE-2019-1551)

Security Bulletin

Summary

OpenSSL could allow a remote attacker to obtain sensitive information and is vulnerable to a denial of service. These vulnerabilities affect IBM Spectrum Control.

Vulnerability Details

CVEID: CVE-2020-1967
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. By passing specially crafted data to the SSL_check_chain() function during or after a TLS 1.3 handshake, a remote attacker could exploit this vulnerability to cause server or client applications to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/180181 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)

CVEID: CVE-2019-1551
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by an overflow in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. By performing a man-in-the-middle attack, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Spectrum Control	5.3.0 - 5.3.6

Remediation/Fixes

The solution is to apply an appropriate IBM Spectrum Control fix. Click on the download link and follow the Installation Instructions. The solution should be implemented as soon as practicable.

Release	First Fixing VRM Level	Link to Fix
5.3	5.3.7	http://www.ibm.com/support/docview.wss?uid=swg21320822#53_0

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

21 May 2020: 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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Tips

Security Bulletin: OpenSSL vulnerabilities affect IBM Spectrum Control (CVE-2020-1967, CVE-2019-1551)