Cross-site scripting in aws-js-s3-explorer

1) Cross-site scripting

EUVDB-ID: #VU25494

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-14652

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:amazon_web_services:aws-js-s3-explorer:v2 alpha:*:*:*:*:*:*:*

External links

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

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.