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

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

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.

Workarounds and Mitigations

None