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Security Bulletin: Vulnerability CVE-2019-3880 in Samba affects IBM i

Security Bulletin


Summary

Samba is supported on IBM i. IBM i has addressed the applicable CVE.

This security bulletin has been updated, on June 21, 2019, as an additional IBM i PTF is available for IBM i 7.4.

Vulnerability Details

CVEID: CVE-2019-3880
DESCRIPTION: Samba could allow a remote authenticated attacker to traverse directories on the system. An attacker could send a specially-crafted "winreg_SaveKey" request to create a new registry hive file outside a Samba share.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/159188 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Releases 7.2, 7.3, and 7.4 of IBM i are affected.

Remediation/Fixes

The issue can be fixed by applying a PTF to IBM i.
Releases 7.2, 7.3, and 7.4 of IBM i are supported and will be fixed.
The IBM i PTF numbers are:

Release 7.2 – SI69591
Release 7.3 – SI69592
Release 7.4 – SI69593

https://www-945.ibm.com/support/fixcentral/

Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

12 April 2019: Original Document Published
21 June 2019: Updated to include IBM i 7.4 release information
15 August 2022: Fixed broken link

*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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Document Information

Modified date:
15 August 2022

UID

ibm10880621