[USN-1462-1] Bind vulnerabilities

Marc Deslauriers marc.deslauriers at canonical.com
Tue Jun 5 18:55:55 UTC 2012

Ubuntu Security Notice USN-1462-1
June 05, 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


Bind could be made to crash if it received specially crafted network

Software Description:
- bind9: Internet Domain Name Server


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continuously resolvable even after they have been revoked.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 versions:

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

In general, a standard system update will make all the necessary changes.

  CVE-2012-1033, CVE-2012-1667

Package Information:

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20120605/7298364d/attachment.sig>

More information about the ubuntu-security-announce mailing list