CVE-2023-34457

Summary

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.

Affected Software

Weaknesses

• CWE-20: CWE-20: Improper Input Validation

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/MechanicalSoup/MechanicalSoup/security/advisories/GHSA-x456-3ccm-m6j4
• https://github.com/MechanicalSoup/MechanicalSoup/commit/d57c4a269bba3b9a0c5bfa20292955b849006d9e
• https://github.com/MechanicalSoup/MechanicalSoup/releases/tag/v1.3.0
• https://security.netapp.com/advisory/ntap-20230803-0005/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/MechanicalSoup/MechanicalSoup/security/advisories/GHSA-x456-3ccm-m6j4
• https://github.com/MechanicalSoup/MechanicalSoup/commit/d57c4a269bba3b9a0c5bfa20292955b849006d9e
• https://github.com/MechanicalSoup/MechanicalSoup/releases/tag/v1.3.0
• https://security.netapp.com/advisory/ntap-20230803-0005/

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