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CVE-2023-42444

8.6 · HIGH

phonenumber is a library for parsing, formatting and validating international phone numbers.

Published Sep 19, 2023CWE-248EPSS 0.87%

Overview

CVE-2023-42444 is a high-severity vulnerability. It was published on September 19, 2023 and has a CVSS 3.1 base score of 8.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

phonenumber is a library for parsing, formatting and validating international phone numbers. Prior to versions `0.3.3+8.13.9` and `0.2.5+8.11.3`, the phonenumber parsing code may panic due to a panic-guarded out-of-bounds access on the phonenumber string. In a typical deployment of `rust-phonenumber`, this may get triggered by feeding a maliciously crafted phonenumber over the network, specifically the string `.;phone-context=`. Versions `0.3.3+8.13.9` and `0.2.5+8.11.3` contain a patch for this issue. There are no known workarounds.

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

GitHubgithub.com/whisperfish/rust-phonenumber/commit/2dd44be94539c051b4dee55d1d9d349bd7bedde6GitHubgithub.com/whisperfish/rust-phonenumber/commit/bea8e732b9cada617ede5cf51663dba183747f71GitHubgithub.com/whisperfish/rust-phonenumber/security/advisories/GHSA-whhr-7f2w-qqj2GitHubgithub.com/whisperfish/rust-phonenumber/commit/2dd44be94539c051b4dee55d1d9d349bd7bedde6GitHubgithub.com/whisperfish/rust-phonenumber/commit/bea8e732b9cada617ede5cf51663dba183747f71GitHubgithub.com/whisperfish/rust-phonenumber/security/advisories/GHSA-whhr-7f2w-qqj2

How CyberStrike helps

Frequently asked questions

What is CVE-2023-42444?

CVE-2023-42444 is a high-severity vulnerability. It was published on September 19, 2023 and has a CVSS 3.1 base score of 8.6 (HIGH).

How severe is CVE-2023-42444?

This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-42444?

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-2023-42444?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-42444 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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