Security Bulletin: IBM i is affected by networking BIND vulnerabilities.

Summary

ISC BIND is vulnerable to several security vulnerabilities.

Vulnerability Details

CVEID: CVE-2015-8000 DESCRIPTION: ISC BIND is vulnerable to a denial of service, caused by an error in db.c when parsing incoming responses. A remote attacker could exploit this vulnerability to trigger a REQUIRE assertion failure and cause a denial of service.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108948 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)

CVEID: CVE-2015-8461 DESCRIPTION: ISC BIND is vulnerable to a denial of service, caused by a race condition in resolver.c when processing socket errors. A remote attacker could exploit this vulnerability to trigger an INSIST assertion failure and cause a denial of service.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108949 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Releases 7.1 and 7.2 of IBM i are affected.

Remediation/Fixes

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

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

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

The IBM i PTF numbers are:

Release 7.1 – SI59101 Release 7.2 – SI59100

_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 known