SSA-116172

csafDEsiemens_psirt

SSA-116172: Nullsoft Scriptable Install System (NSIS) Vulnerability (CVE-2023-37378) in Parasolid Installer

view advisory published 2023-08-08

A vulnerability in Nullsoft Scriptable Installer System (NSIS) software (CVE-2023-37378) used in Parasolid installers before V36 creates an “uninstall directory” with insufficient access control. This could allow an attacker to misuse the vulnerability, and potentially escalate privileges. Only systems where Parasolid is installed with a Parasolid installer is impacted. Siemens recommends to uninstall impacted Parasolid instances and reinstall with the latest installer available.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2023-37378USmedium5.3—
Nullsoft Scriptable Install System (NSIS) before 3.09 mishandles access control for an uninstaller directory.
02

references

External citations — patches, advisories, analysis.

03

remediations (6)

  • MitigationParasolid V35.0

    Ensure that only trusted persons have access to the system and avoid the configuration of additional accounts

  • MitigationParasolid V35.1

    Ensure that only trusted persons have access to the system and avoid the configuration of additional accounts

  • FixedParasolid V35.0

    Run the uninstaller to remove the vulnerable directory and reinstall with the latest installer available for download

    https://support.sw.siemens.com/en-US/product/258316782/
  • FixedParasolid V35.1

    Run the uninstaller to remove the vulnerable directory and reinstall with the latest installer available for download

    https://support.sw.siemens.com/en-US/product/258316782/
  • WorkaroundParasolid V35.0

    Scan each computer where Parasolid has ever been installed with an up-to-date anti-virus program and follow its recommendations

  • WorkaroundParasolid V35.1

    Scan each computer where Parasolid has ever been installed with an up-to-date anti-virus program and follow its recommendations

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