Security Bulletin: IBM i is affected by networking BIND vulnerability CVE-2017-3145

Summary

ISC BIND is vulnerable to this security vulnerability. IBM i has addressed this vulnerability.

Vulnerability Details

CVEID: CVE-2017-3145 DESCRIPTION: ISC BIND is vulnerable to a denial of service, caused by a use-after-free when improperly sequencing cleanup operations on upstream recursion fetch contexts. A remote attacker could exploit this vulnerability to make named crash with an assertion failure.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/137694 for the current score
CVSS Environmental Score*: Undefined
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

Releases 6.1, 7.1, 7.2 and 7.3 of IBM i are affected.

Remediation/Fixes

The issue can be fixed by applying a PTF to IBM i.

Releases 6.1, 7.1, 7.2 and 7.3 of IBM i are supported and will be fixed.

http://www-933.ibm.com/support/fixcentral/

The IBM i PTF numbers are:

Release 6.1 – SI66815 Release 7.1 – SI66814 Release 7.2 – SI66813 Release 7.3 – SI66812

_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