IBM Support

Security Bulletin: Multiple vulnerabilities in samba affect IBM Spectrum Scale SMB protocol access method.

Security Bulletin


Summary

Multiple samba vulnerabilities affect IBM Spectrum Scale SMB protocol access method that could cause denial of service. A fix for these vulnerabilities is available.

Vulnerability Details

CVEID:   CVE-2020-14318
DESCRIPTION:   Samba could allow a remote authenticated attacker to obtain sensitive information, caused by a missing permissions check on a directory handle requesting ChangeNotify. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain file name information, and use this information to launch further attacks against the affected system.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191029 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

CVEID:   CVE-2020-14323
DESCRIPTION:   Samba is vulnerable to a denial of service, caused by a NULL pointer dereference in the Winbind service. By sending a specially-crafted packet, a local authenticated attacker could exploit this vulnerability to crash the winbind service.
CVSS Base score: 5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190934 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Spectrum Scale5.0.0 - 5.0.5.4
IBM Spectrum Scale5.1.0

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

08 Dec 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


[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"STXKQY","label":"IBM Spectrum Scale"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"5.1","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

More support for:
IBM Spectrum Scale

Software version:
5.1

Operating system(s):
Linux

Document number:
6407802

Modified date:
25 January 2021

UID

ibm16407802

Manage My Notification Subscriptions