Security Bulletin: Vulnerabilities in OpenSSL affect IBM Spectrum Protect Backup-Archive Client NetApp Services (CVE-2020-1971, CVE-2021-23840, CVE-2021-23841)

Security Bulletin

Summary

OpenSSL vulnerabilities were disclosed on December 8, 2020 and February 16, 2021 by the OpenSSL Project. OpenSSL, used by the IBM Spectrum Protect Backup-Archive Client for network connections with NetApp services, has addressed the applicable CVEs. UPDATED: 14 June 2021 - Added 7.1 fix

Vulnerability Details

CVEID: CVE-2020-1971
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. If the GENERAL_NAME_cmp function contain an EDIPARTYNAME, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192748 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-2021-23840
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an integer overflow in CipherUpdate. By sending an overly long argument, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196848 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-2021-23841
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference in the X509_issuer_and_serial_hash() function. By parsing the issuer field, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196847 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)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Spectrum Protect Backup-Archive Client	8.1.0.0-8.1.11.0 7.1.0.0-7.1.8.10

Remediation/Fixes

IBM Spectrum Protect Client Release	First Fixing VRM Level	Platform	Link to Fix
8.1	8.1.12	Linux Windows	https://www.ibm.com/support/pages/node/6443671
7.1	7.1.8.11	Linux Windows	https://www.ibm.com/support/pages/node/316619

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

23 April 2021: Initial Publication
14 June 2021: Added 7.1 fix.

*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: Vulnerabilities in OpenSSL affect IBM Spectrum Protect Backup-Archive Client NetApp Services (CVE-2020-1971, CVE-2021-23840, CVE-2021-23841)