What is the CVSS score of CVE-2023-36476?

CVE-2023-36476 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2023-36476?

Yes, a public proof-of-concept exploit is available for CVE-2023-36476. Prioritise patching immediately. EPSS: 0.3%.

Is there a patch available for CVE-2023-36476?

Yes, a patch is available for CVE-2023-36476. Update the affected software to the latest version immediately.

Calamares Nixos Extensions CVE-2023-36476

MEDIUM

Information Exposure (CWE-200)

2023-06-29 security-advisories@github.com

Information Disclosure Calamares Nixos Extensions

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jun 29, 2023 - 01:15 nvd

MEDIUM 5.5

DescriptionNVD

calamares-nixos-extensions provides Calamares branding and modules for NixOS, a distribution of GNU/Linux. Users of calamares-nixos-extensions version 0.3.12 and prior who installed NixOS through the graphical calamares installer, with an unencrypted /boot, on either non-UEFI systems or with a LUKS partition different from / have their LUKS key file in /boot as a plaintext CPIO archive attached to their NixOS initrd. A patch is available and anticipated to be part of version 0.3.13 to backport to NixOS 22.11, 23.05, and unstable channels. Expert users who have a copy of their data may, as a workaround, re-encrypt the LUKS partition(s) themselves.

AnalysisAI

calamares-nixos-extensions provides Calamares branding and modules for NixOS, a distribution of GNU/Linux. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. calamares-nixos-extensions provides Calamares branding and modules for NixOS, a distribution of GNU/Linux. Users of calamares-nixos-extensions version 0.3.12 and prior who installed NixOS through the graphical calamares installer, with an unencrypted /boot, on either non-UEFI systems or with a LUKS partition different from / have their LUKS key file in /boot as a plaintext CPIO archive attached to their NixOS initrd. A patch is available and anticipated to be part of version 0.3.13 to backport to NixOS 22.11, 23.05, and unstable channels. Expert users who have a copy of their data may, as a workaround, re-encrypt the LUKS partition(s) themselves. Affected products include: Nixos Calamares-Nixos-Extensions. Version information: version 0.3.12.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.