USN-3395-1

It was discovered that c-ares incorrectly handled certain NAPTR responses. A remote attacker could possibly use this issue to cause applications using c-ares to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:14.04:LTS / c-ares

Package

Name: c-ares
Purl: pkg:deb/ubuntu/c-ares@1.10.0-2ubuntu0.2?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.10.0-2ubuntu0.2

Affected versions

1.*

1.10.0-2

1.10.0-2ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libc-ares-dev",
            "binary_version": "1.10.0-2ubuntu0.2"
        },
        {
            "binary_name": "libc-ares2",
            "binary_version": "1.10.0-2ubuntu0.2"
        },
        {
            "binary_name": "libc-ares2-dbgsym",
            "binary_version": "1.10.0-2ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / c-ares

Package

Name: c-ares
Purl: pkg:deb/ubuntu/c-ares@1.10.0-3ubuntu0.2?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.10.0-3ubuntu0.2

Affected versions

1.*

1.10.0-2

1.10.0-3

1.10.0-3ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libc-ares-dev",
            "binary_version": "1.10.0-3ubuntu0.2"
        },
        {
            "binary_name": "libc-ares2",
            "binary_version": "1.10.0-3ubuntu0.2"
        },
        {
            "binary_name": "libc-ares2-dbgsym",
            "binary_version": "1.10.0-3ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}