Vulnerability identifier: #VU25494

Vulnerability risk: Low

CVSSv3.1: 2.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-14652

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
aws-js-s3-explorer
Client/Desktop applications / Software for system administration

Vendor: Amazon Web Services

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. explorer.js in Amazon AWS JavaScript S3 Explorer v2 alpha before 2019-08-02 allows XSS in certain circumstances.. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install update from vendor's website.

Vulnerable software versions

aws-js-s3-explorer: v2 alpha

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External links
http://github.com/awslabs/aws-js-s3-explorer/commit/7be671e858601455d6969e445d21a911632d6c94
http://github.com/awslabs/aws-js-s3-explorer/commit/87efa7d6885c4a9d8473ec5893adf8e4922a8a89
http://github.com/awslabs/aws-js-s3-explorer/pull/62

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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