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Numeric Errors

CVE-2016-2181

Severity High
Score 7.5/10

Summary

The Anti-Replay feature in the DTLS implementation in OpenSSL before 1.0.1u and 1.0.2 through 1.0.2i mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.

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

CWE-189 - Numeric Errors

Weaknesses in this category are related to improper calculation or conversion of numbers.

References

Advisory Timeline

  • Published