JPCERT-AT-2016-0006
JPCERT/CC
2016-01-20
<<< JPCERT/CC Alert 2016-01-20 >>>
Alert on denial-of-service vulnerability (CVE-2015-8704) in ISC BIND 9
https://www.jpcert.or.jp/english/at/2016/at160006.html
I. Overview
ISC BIND 9 contains a vulnerability that leads to a denial-of-service (DoS).
When this vulnerability is leveraged, a remote attacker may cause an
abnormal termination of named.
Internet Systems Consortium, Inc. (ISC)
CVE-2015-8704: Specific APL data could trigger an INSIST in apl_42.c
https://kb.isc.org/article/AA-01335/
If operating an affected version of ISC BIND 9 (authoritative DNS
server, cache DNS server), please consider updating to a version that
addresses this vulnerability after referring to the information in
"III. Solution".
II. Affected Systems
According to the information provided by ISC, the following versions
are affected by this vulnerability. ISC has rated this vulnerability as
"High"
ISC BIND
- Versions from 9.9.0 to 9.9.8-P2
- Versions from 9.10.0 to 9.10.3-P2
Unsupported versions of ISC BIND 9.3.x through 9.8.x are also affected
by this vulnerability. For more details, refer to the following:
BIND 9 Security Vulnerability Matrix
https://kb.isc.org/article/AA-00913/
If you are using BIND provided by a distributor, refer to the
information provided by that distributor.
III. Solution
ISC has released versions of ISC BIND that address this vulnerability.
Distributors are likely to provide their own versions that address this
vulnerability. Consider updating to an updated version after thorough
testing.
Versions that address this vulnerability are as follows:
ISC BIND
- Versions from 9.9.0 to 9.9.8-P3
- Versions from 9.10.0 to 9.10.3-P3
IV. References
US-CERT
Internet Systems Consortium (ISC) Releases Security Updates for BIND
https://www.us-cert.gov/ncas/current-activity/2016/01/19/Internet-Systems-Consortium-ISC-Releases-Security-Updates-BIND
Japan Registry Services (JPRS)
(Urgent) Vulnerability in BIND 9.X (DNS Service suspension) (CVE-2015-8704) (Released 1/20/2016)(Japanese)
http://jprs.jp/tech/security/2016-01-20-bind9-vuln-stringformat.html
Japan Registry Services (JPRS)
Vulnerability in BIND 9.X (DNS Service suspension) (CVE-2015-8705) (Released 1/20/2016)(Japanese)
http://jprs.jp/tech/security/2016-01-20-bind9-vuln-debuglog.html
If you have any information regarding this alert, please contact
JPCERT/CC.
======================================================================
JPCERT Coordination Center (JPCERT/CC)
MAIL: info@jpcert.or.jp
TEL: +81-3-3518-4600 FAX: +81-3-3518-4602
https://www.jpcert.or.jp/english/
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