CVE-2024-8037: juju Permission Flaw — Fix

Description

Vulnerable juju hook tool abstract UNIX domain socket. When combined with an attack of JUJU_CONTEXT_ID, any user on the local system with access to the default network namespace may connect to the @/var/lib/juju/agents/unit-xxxx-yyyy/agent.socket and perform actions that are normally reserved to a juju charm.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H

Weakness Type (CWE)

CWE-276 Incorrect Default Permissions

Affected Products

Vendor	Product	Versions
canonical	juju	< 2.9.51
canonical	juju	3.1.0 — 3.1.10
canonical	juju	3.2.0 — 3.2.4
canonical	juju	3.3.0 — 3.3.7
canonical	juju	3.4 — 3.4.6
canonical	juju	3.5.0 — 3.5.4

References

Advisories & Patches

https://github.com/juju/juju/security/advisories/GHSA-8v4w-f4r9-7h6x

Other References

https://www.cve.org/CVERecord?id=CVE-2024-8037

Frequently Asked Questions

What is CVE-2024-8037? +

Vulnerable juju hook tool abstract UNIX domain socket. When combined with an attack of JUJU_CONTEXT_ID, any user on the local system with access to the default network namespace may connect to the @/var/lib/juju/agents/unit-xxxx-yyyy/agent.socket and perform actions that are normally reserved to a juju charm. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-8037? +

CVE-2024-8037 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-8037? +

CVE-2024-8037 affects products from canonical, specifically: juju. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8037? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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