#VU73175 Path traversal in AWS SDK for Java - CVE-2022-31159

Vulnerability identifier: #VU73175

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-31159

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AWS SDK for Java
Universal components / Libraries / Software for developers

Vendor: Amazon Web Services

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the downloadDirectory() method in in the AWS S3 TransferManager component. A remote user can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

AWS SDK for Java: 1.12.1 - 1.12.260

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External links
https://github.com/aws/aws-sdk-java/security/advisories/GHSA-c28r-hw5m-5gv3

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.