CVE-2018-12384

Summary

When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.

Affected Software

VendorProductVersion RangeStatus
NSSNetwork Security Services (NSS)All versions prior to NSS 3.39affected

Weaknesses

  • Use of Insufficiently Random Values

ADP Enrichment

CVE Program Container

Additional References

References