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CVE-2025-6224: CWE-312 Cleartext Storage of Sensitive Information in Canonical Juju utils

Medium
VulnerabilityCVE-2025-6224cvecve-2025-6224cwe-312
Published: Tue Jul 01 2025 (07/01/2025, 10:39:34 UTC)
Source: CVE Database V5
Vendor/Project: Canonical
Product: Juju utils

Description

Certificate generation in juju/utils using the cert.NewLeaf function could include private information. If this certificate were then transferred over the network in plaintext, an attacker listening on that network could sniff the certificate and trivially extract the private key from it.

AI-Powered Analysis

AILast updated: 07/01/2025, 11:09:32 UTC

Technical Analysis

CVE-2025-6224 is a medium-severity vulnerability affecting Canonical's Juju utils version 4.0.1, specifically related to the certificate generation process within the cert.NewLeaf function. The vulnerability arises because the certificate generated may include private information, such as the private key, which if transmitted over the network in plaintext, can be intercepted by an attacker with network access. This vulnerability is categorized under CWE-312, which refers to the cleartext storage or transmission of sensitive information. The core issue is that the private key embedded in the certificate is not adequately protected during transmission, allowing an attacker performing network sniffing to extract the private key trivially. This compromises the confidentiality of the private key, which is critical for the security of cryptographic operations. The CVSS v3.1 score is 6.5, indicating a medium severity, with an attack vector of network (AV:N), low attack complexity (AC:L), no privileges required (PR:N), but requiring user interaction (UI:R). The impact is high on confidentiality (C:H), with no impact on integrity or availability. No known exploits are currently in the wild, and no patches have been linked yet. The vulnerability affects Juju utils version 4.0.1, a tool used for service orchestration and cloud management, which is widely used in cloud environments to deploy and manage applications. The vulnerability could be exploited by an attacker positioned on the same network segment or able to intercept network traffic between Juju clients and servers, potentially leading to the compromise of private keys and subsequent unauthorized access or impersonation of services.

Potential Impact

For European organizations, especially those leveraging Canonical's Juju utils for cloud orchestration and management, this vulnerability poses a significant risk to the confidentiality of cryptographic keys. Exposure of private keys can lead to unauthorized access to cloud services, interception or manipulation of sensitive data, and potential lateral movement within the network. Organizations operating in sectors with stringent data protection requirements, such as finance, healthcare, and government, could face compliance violations under GDPR if sensitive information is compromised. Additionally, the compromise of private keys could undermine trust in secure communications and cloud deployments, potentially leading to service disruptions or data breaches. Given the network-based attack vector, organizations with multi-tenant cloud environments or those using Juju in hybrid cloud setups are particularly vulnerable. The requirement for user interaction slightly reduces the risk but does not eliminate it, especially in environments where automated or scripted deployments are common. Overall, the vulnerability could facilitate espionage, data theft, or sabotage if exploited.

Mitigation Recommendations

To mitigate this vulnerability, European organizations should immediately audit their use of Juju utils version 4.0.1 and identify any deployments where certificate generation and transmission occur. Until an official patch is released, organizations should enforce the use of encrypted communication channels such as TLS for all Juju-related network traffic to prevent interception of sensitive data. Network segmentation and the use of VPNs or secure tunnels can reduce exposure to network sniffing attacks. Additionally, organizations should implement strict monitoring and logging of certificate generation and usage to detect anomalies. Rotating and revoking any certificates or private keys potentially exposed is critical to limit the window of exploitation. User training to minimize risky interactions that could trigger the vulnerability is also recommended. Finally, organizations should track Canonical's advisories closely for patches or updates addressing this vulnerability and apply them promptly once available.

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Technical Details

Data Version
5.1
Assigner Short Name
canonical
Date Reserved
2025-06-18T08:48:41.677Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6863be626f40f0eb728ef548

Added to database: 7/1/2025, 10:54:26 AM

Last enriched: 7/1/2025, 11:09:32 AM

Last updated: 7/13/2025, 2:49:39 PM

Views: 15

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