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Amazon AWS S3 bucket takeover #709

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bright-security-dev bot opened this issue Oct 5, 2023 · 0 comments
Open

Amazon AWS S3 bucket takeover #709

bright-security-dev bot opened this issue Oct 5, 2023 · 0 comments

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@bright-security-dev
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Amazon AWS S3 bucket takeover

Severity: High Discovered: 05 of October-2023, 12:44 PM

CWE ID

CWE-284

CVSS

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

Target application contains a reference to an S3 bucket that no longer exists.
An attacker can register a new S3 bucket under the same original name.
The target application would use the new S3 bucket under the control of the attacker.
Attacker can populate the S3 bucket with malicious content or intercept legitimate traffic intended for the S3 bucket,
potentially leading to data theft or other malicious activities.

Possible exposure

Data breaches, Malware distribution, negatively impact reputation

Remediation suggestions

Remove unused S3 buckets reference URLs from code.

Request

GET http://brokencrystals.com/x HTTP/1.1
Referer: http://brokencrystals.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/106.0.5249.119 Safari/537.36
Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Accept-Encoding: identity
Connection: keep-alive
Cookie: connect.sid=s7PbnouU7SPIHR5jQwkVW5CaVOKFNrQE.2BK2w9P0mU67K1NxCqAXx8oCKyHIElbbt8U5oSO8lFE; bc-calls-counter=1696506324718; _csrf=iDr4FanBxSdS4ivl%2Fj6qcfjeQ8%2F9pKFT
Host: brokencrystals.com
Content-Length: 0

Response

HTTP/1.1 200
Accept-Ranges: bytes
Connection: keep-alive
Content-Length: 7465
Content-Type: text/html
Date: Thu, 05 Oct 2023 12:44:01 GMT
ETag: "64d248ac-1d29"
Last-Modified: Tue, 08 Aug 2023 13:52:44 GMT

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