Potential URI resolution path traversal in the AWS SDK for PHP
CVE-2023-51651

6MEDIUM

Key Information:

Vendor

aws

Status
aws-sdk-php
Vendor
CVE Published:
22 December 2023

What is CVE-2023-51651?

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.

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Deploy the Patch

Affected Version(s)

aws-sdk-php < 3.288.1

References

https://github.com/aws/aws-sdk-php/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/aws/aws-sdk-php/commit/aebc9f801438746...
x_refsource_MISC
https://github.com/aws/aws-sdk-php/releases/tag/3.288.1
x_refsource_MISC

CVSS V3.1

Score:
6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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