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Security Bulletin: OpenSSL Vulnerability Affects IBM Sterling Connect:Express for UNIX (CVE-2021-3711)

Security Bulletin


Summary

Security vulnerability have been disclosed on 24th August 2021 by the OpenSSL Project. OpenSSl is used by IBM Sterling Connect:Express for UNIX. IBM Sterling Connect:Express for UNIX has addressed the applicable CVE.

Vulnerability Details

CVEID:   CVE-2021-3711
DESCRIPTION:   OpenSSL is vulnerable to a buffer overflow, caused by improper bounds checking by the EVP_PKEY_decrypt() function within implementation of the SM2 decryption. By sending specially crafted SM2 content, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208072 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
Sterling Connect:Express for UNIX1.5.x

Remediation/Fixes

For versions prior 1.5.0.1606 upgrade to 1.5.0.1607 or apply the OpenSSL 1.1.1l Updater for Connect:Express for Unix. Both are available on Fix Central.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

02 Sep 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
09 September 2021

UID

ibm16487587