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CVE-2023-6395

6.7 · MEDIUM

The Mock software contains a vulnerability wherein an attacker could potentially exploit privilege escalation, enabling the execution of arbitrary code with root user privileges.

Published Jan 16, 2024CWE-20EPSS 1.55%

Overview

CVE-2023-6395 is a medium-severity vulnerability. It was published on January 16, 2024 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The Mock software contains a vulnerability wherein an attacker could potentially exploit privilege escalation, enabling the execution of arbitrary code with root user privileges. This weakness stems from the absence of proper sandboxing during the expansion and execution of Jinja2 templates, which may be included in certain configuration parameters. While the Mock documentation advises treating users added to the mock group as privileged, certain build systems invoking mock on behalf of users might inadvertently permit less privileged users to define configuration tags. These tags could then be passed as parameters to mock during execution, potentially leading to the utilization of Jinja2 templates for remote privilege escalation and the execution of arbitrary code as the root user on the build server.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.openwall.com/lists/oss-security/2024/01/16/1Refwww.openwall.com/lists/oss-security/2024/01/16/3Refaccess.redhat.com/security/cve/CVE-2023-6395Refbugzilla.redhat.com/show_bug.cgi?id=2252206GitHubgithub.com/xsuchy/templated-dictionary/commit/0740bd0ca8d487301881541028977d120f8b8933GitHubgithub.com/xsuchy/templated-dictionary/commit/bcd90f0dafa365575c4b101e6f5d98c4ef4e4b69Reflists.fedoraproject.org/archives/list/[email protected]/message/62SP2BJC2AFLFJJAEHPGZ3ZINTBTI7AN/Reflists.fedoraproject.org/archives/list/[email protected]/message/NBFYREAJH4T7GXXQZ4GJEREN4Q3AHS3K/Refwww.openwall.com/lists/oss-security/2024/01/16/1Refwww.openwall.com/lists/oss-security/2024/01/16/3

How CyberStrike helps

Frequently asked questions

What is CVE-2023-6395?

CVE-2023-6395 is a medium-severity vulnerability. It was published on January 16, 2024 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2023-6395?

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-6395?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-6395?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-6395 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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