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

CVE-2020-9067

High
8/10

Summary

There is a buffer overflow vulnerability in some Huawei products. The vulnerability can be exploited by an attacker to perform remote code execution on the affected products when the affected product functions as an optical line terminal (OLT). Affected product versions include:SmartAX MA5600T versions V800R013C10, V800R015C00, V800R015C10, V800R017C00, V800R017C10, V800R018C00, V800R018C10; SmartAX MA5800 versions V100R017C00, V100R017C10, V100R018C00, V100R018C10, V100R019C10; SmartAX EA5800 versions V100R018C00, V100R018C10, V100R019C10.

  • LOW
  • ADJACENT_NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • 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