USN-5034-2

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Source

https://ubuntu.com/security/notices/USN-5034-2

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5034-2.json

JSON Data

https://api.osv.dev/v1/vulns/USN-5034-2

Related

Published

2021-08-10T17:15:47.447933Z

Modified

2021-08-10T17:15:47.447933Z

Summary

c-ares vulnerability

Details

USN-5034-1 fixed a vulnerability in c-ares. This update provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Philipp Jeitner and Haya Shulman discovered that c-ares incorrectly validated certain hostnames returned by DNS servers. A remote attacker could possibly use this issue to perform Domain Hijacking attacks.

References

Affected packages

Ubuntu:Pro:16.04:LTS / c-ares

Package

Name: c-ares
Purl: pkg:deb/ubuntu/c-ares?arch=src?distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.10.0-3ubuntu0.2+esm1

Affected versions

1.*

1.10.0-2

1.10.0-3

1.10.0-3ubuntu0.1

1.10.0-3ubuntu0.2

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.10.0-3ubuntu0.2+esm1",
            "binary_name": "libc-ares-dev"
        },
        {
            "binary_version": "1.10.0-3ubuntu0.2+esm1",
            "binary_name": "libc-ares2"
        },
        {
            "binary_version": "1.10.0-3ubuntu0.2+esm1",
            "binary_name": "libc-ares2-dbgsym"
        }
    ]
}