USN-1462-1: Bind vulnerabilities
Ubuntu Security Notice USN-1462-1
5th June, 2012
bind9 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS
Summary
Bind could be made to crash if it received specially crafted network traffic.
Software description
- bind9 - Internet Domain Name Server
Details
Dan Luther discovered that Bind incorrectly handled zero length rdata
fields. A remote attacker could use this flaw to cause Bind to crash or
behave erratically, resulting in a denial of service. (CVE-2012-1667)
It was discovered that Bind incorrectly handled revoked domain names. A
remote attacker could use this flaw to cause malicious domain names to be
continuously resolvable even after they have been revoked. (CVE-2012-1033)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.04 LTS:
- libdns81 1:9.8.1.dfsg.P1-4ubuntu0.1
- Ubuntu 11.10:
- libdns69 1:9.7.3.dfsg-1ubuntu4.2
- Ubuntu 11.04:
- libdns69 1:9.7.3.dfsg-1ubuntu2.4
- Ubuntu 10.04 LTS:
- libdns64 1:9.7.0.dfsg.P1-1ubuntu0.5
- Ubuntu 8.04 LTS:
- libdns36 1:9.4.2.dfsg.P2-2ubuntu0.10
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.