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Out-of-bounds Write

CVE-2024-45777

Medium
6.7/10

Summary

A flaw was found in grub2 versions 1.98 through 2.12. The calculation of the translation buffer when reading a language ".mo" file in "grub_gettext_getstr_from_position()" may overflow, leading to an Out-Of-Bound write. This issue can be leveraged by an attacker to overwrite grub2's sensitive heap data, eventually leading to the circumvention of secure boot protections.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • NONE
  • HIGH
  • 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