USN-3346-3: Bind vulnerabilities
Publication date
8 November 2017
Overview
Bind could be made to serve incorrect information or expose sensitive information over the network.
Releases
Packages
- bind9 - Internet Domain Name Server
Details
USN-3346-1 and USN-3346-2 fixed two vulnerabilities in Bind and a regression,
respectively. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone update requests. An attacker could use this
to improperly perform zone updates. (CVE-2017-3143)
Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone transfer requests. An attacker could use this
to improperly transfer entire zones. (CVE-2017-3142)
In addition, this update adds the new root zone key signing key (KSK).
USN-3346-1 and USN-3346-2 fixed two vulnerabilities in Bind and a regression,
respectively. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone update requests. An attacker could use this
to improperly perform zone updates. (CVE-2017-3143)
Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone transfer requests. An attacker could use this
to improperly transfer entire zones. (CVE-2017-3142)
In addition, this update adds the new root zone key signing key (KSK).
Update instructions
After a standard system update you need to restart Bind to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 12.04 precise | bind9 – 1:9.8.1.dfsg.P1-4ubuntu0.23 | ||
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