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CVE-2023-38497

7.9 · HIGH

Cargo downloads the Rust project’s dependencies and compiles the project.

Published Aug 4, 2023CWE-278EPSS 0.70%

Overview

CVE-2023-38497 is a high-severity vulnerability. It was published on August 4, 2023 and has a CVSS 3.1 base score of 7.9 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Cargo downloads the Rust project’s dependencies and compiles the project. Cargo prior to version 0.72.2, bundled with Rust prior to version 1.71.1, did not respect the umask when extracting crate archives on UNIX-like systems. If the user downloaded a crate containing files writeable by any local user, another local user could exploit this to change the source code compiled and executed by the current user. To prevent existing cached extractions from being exploitable, the Cargo binary version 0.72.2 included in Rust 1.71.1 or later will purge caches generated by older Cargo versions automatically. As a workaround, configure one's system to prevent other local users from accessing the Cargo directory, usually located in `~/.cargo`.

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

Refen.wikipedia.org/wiki/UmaskGitHubgithub.com/rust-lang/cargo/commit/d78bbf4bde3c6b95caca7512f537c6f9721426ffGitHubgithub.com/rust-lang/cargo/pull/12443GitHubgithub.com/rust-lang/cargo/security/advisories/GHSA-j3xp-wfr4-hx87GitHubgithub.com/rust-lang/wg-security-response/tree/main/patches/CVE-2023-38497Reflists.fedoraproject.org/archives/list/[email protected]/message/QGKE6PGM4HIQUHPJRBQAHMELINSGN4H4/Reflists.fedoraproject.org/archives/list/[email protected]/message/QMEXGUGPW5OBSQA6URTBNDSU3RAEFOZ4/Refwww.rust-lang.org/policies/securityRefen.wikipedia.org/wiki/UmaskGitHubgithub.com/rust-lang/cargo/commit/d78bbf4bde3c6b95caca7512f537c6f9721426ff

How CyberStrike helps

Frequently asked questions

What is CVE-2023-38497?

CVE-2023-38497 is a high-severity vulnerability. It was published on August 4, 2023 and has a CVSS 3.1 base score of 7.9 (HIGH).

How severe is CVE-2023-38497?

This vulnerability has a CVSS 3.1 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-38497?

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-2023-38497?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-38497 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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