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CVE-2023-51651

6.0 · MEDIUM

AWS SDK for PHP is the Amazon Web Services software development kit for PHP.

Published Dec 22, 2023CWE-22EPSS 0.38%

Overview

CVE-2023-51651 is a medium-severity vulnerability. It was published on December 22, 2023 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

AWS SDK for PHP is the Amazon Web Services software development kit for PHP. Within the scope of requests to S3 object keys and/or prefixes containing a Unix double-dot, a URI path traversal is possible. The issue exists in the `buildEndpoint` method in the RestSerializer component of the AWS SDK for PHP v3 prior to 3.288.1. The `buildEndpoint` method relies on the Guzzle Psr7 UriResolver utility, which strips dot segments from the request path in accordance with RFC 3986. Under certain conditions, this could lead to an arbitrary object being accessed. This issue has been patched in version 3.288.1.

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/aws/aws-sdk-php/commit/aebc9f801438746ac4ade327551576cb75f635f2GitHubgithub.com/aws/aws-sdk-php/releases/tag/3.288.1GitHubgithub.com/aws/aws-sdk-php/security/advisories/GHSA-557v-xcg6-rm5mGitHubgithub.com/aws/aws-sdk-php/commit/aebc9f801438746ac4ade327551576cb75f635f2GitHubgithub.com/aws/aws-sdk-php/releases/tag/3.288.1GitHubgithub.com/aws/aws-sdk-php/security/advisories/GHSA-557v-xcg6-rm5m

How CyberStrike helps

Frequently asked questions

What is CVE-2023-51651?

CVE-2023-51651 is a medium-severity vulnerability. It was published on December 22, 2023 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2023-51651?

This vulnerability has a CVSS 3.1 base score of 6.0, 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-2023-51651?

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-2023-51651?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-51651 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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