USN-5747-1: Bind vulnerabilities
29 November 2022
Several security issues were fixed in Bind.
Releases
Packages
- bind9 - Internet Domain Name Server
Details
It was discovered that Bind incorrectly handled large query name when using
lightweight resolver protocol. A remote attacker could use this issue to
consume resources, leading to a denial of service. (CVE-2016-2775)
It was discovered that Bind incorrectly handled large zone data size
received via AXFR response. A remote authenticated attacker could use this
issue to consume resources, leading to a denial of service. This issue only
affected Ubuntu 16.04 LTS. (CVE-2016-6170)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
-
bind9
-
1:9.10.3.dfsg.P4-8ubuntu1.19+esm5
Available with Ubuntu Pro
-
lwresd
-
1:9.10.3.dfsg.P4-8ubuntu1.19+esm5
Available with Ubuntu Pro
Ubuntu 14.04
-
lwresd
-
1:9.9.5.dfsg-3ubuntu0.19+esm9
Available with Ubuntu Pro
-
bind9
-
1:9.9.5.dfsg-3ubuntu0.19+esm9
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.