VDE-2021-052

csafDEphoenix_contact_psirt

PHOENIX CONTACT: PC Worx/-Express prone to improper input validation vulnerability

view advisory published 2021-11-03

PC Worx / -Express is vulnerable to a 'zip slip' style vulnerability when loading a project file.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2021-34597USmedium6.8—
Improper Input Validation vulnerability in PC Worx Automation Suite of Phoenix Contact up to version 1.88 could allow an attacker with a manipulated project file to unpack arbitrar…
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references

External citations — patches, advisories, analysis.

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remediations (2)

  • Mitigation

    We strongly recommend customers to exchange project files only using secure file exchange services. Project files should not be exchanged via unencrypted email. In addition, we recommend exchanging or storing project files together with a checksum to ensure their integrity.

  • Fixed

    With the next version of Automation Worx Software Suite additional plausibility checks for archive content will be implemented.

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