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CVE-2023-34457

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Date: July 5, 2023

MechanicalSoup is a Python library for automating interaction with websites. Starting in version 0.2.0 and prior to version 1.3.0, a malicious web server can read arbitrary files on the client using a `<input type="file" ...>` inside HTML form. All users of MechanicalSoup's form submission are affected, unless they took very specific (and manual) steps to reset HTML form field values. Version 1.3.0 contains a patch for this issue.

Language: Python

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2023-34457
https://github.com/MechanicalSoup/MechanicalSoup/releases/tag/v1.3.0
https://github.com/MechanicalSoup/MechanicalSoup/security/advisories/GHSA-x456-3ccm-m6j4
https://security-tracker.debian.org/tracker/CVE-2023-34457
https://security.netapp.com/advisory/ntap-20230803-0005/
https://github.com/MechanicalSoup/MechanicalSoup/commit/d57c4a269bba3b9a0c5bfa20292955b849006d9e
https://www.mend.io/vulnerability-database/CVE-2023-34457

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): HIGH

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