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Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE-2022-48620

High
9.8/10

Summary

uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.

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

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

Advisory Timeline

  • Published