Security Bulletin
Summary
ISC BIND is vulnerable to several security vulnerabilities.
Vulnerability Details
CVEID: CVE-2015-8704
DESCRIPTION: ISC BIND is vulnerable to a denial of service, caused by improper bounds checking in apl_42.c. By sending specially crafted Address Prefix List (APL) data, a remote authenticated attacker could exploit this vulnerability to trigger an INSIST assertion failure and cause the named process to terminate.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109701 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
CVEID: CVE-2015-8705
DESCRIPTION: ISC BIND is vulnerable to a denial of service, caused by an error in buffer.c when OPT pseudo-RR data or ECS options are formatted to text. A remote attacker could exploit this vulnerability to trigger a REQUIRE assertion failure and cause the named process to crash.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109702 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 6.1, 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 6.1, 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 6.1 – SI59654
Release 7.1 – SI59570
Release 7.2 – SI59569
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
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References
*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.
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Document Information
Modified date:
18 December 2019
UID
nas8N1021154