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Out-of-bounds Write in atom-shell

CVE-2021-4055

  • atom-shell
  • chromiumembeddedframework.runtime
  • electron
  • electron-nightly
  • electron-prebuilt
  • org.webjars.npm:electron
  • org.webjars.npm:electron-prebuilt
High
8.8/10

Summary

Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • REQUIRED
  • NONE
  • HIGH
  • HIGH

CWE-787 - Out-of-Bounds Write

Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.

References

Advisory Timeline

  • Published