USN-2728-1

Hanno Böck discovered that Bind incorrectly handled certain malformed keys when configured to perform DNSSEC validation. A remote attacker could use this issue with specially crafted zone data to cause Bind to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:14.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.5?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.9.5.dfsg-3ubuntu0.5

Affected versions

1:9.*

1:9.9.3.dfsg.P2-4ubuntu1

1:9.9.3.dfsg.P2-4ubuntu2

1:9.9.3.dfsg.P2-4ubuntu3

1:9.9.5.dfsg-2

1:9.9.5.dfsg-3

1:9.9.5.dfsg-3ubuntu0.1

1:9.9.5.dfsg-3ubuntu0.2

1:9.9.5.dfsg-3ubuntu0.3

1:9.9.5.dfsg-3ubuntu0.4

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "bind9",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "bind9-doc",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "bind9-host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "bind9utils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "dnsutils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "libbind-dev",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "libbind9-90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "libdns100",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "libisc95",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "libisccc90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "libisccfg90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "liblwres90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        },
        {
            "binary_name": "lwresd",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.5"
        }
    ]
}