UpHeron
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Servers and applications

CVE-2018-0732

During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected…

Severity
High 7.5
Published
12 Jun 2018
Last changed
8 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
6.8.1, 6.14.4, 8.8.1, 8.11.4, 10.9.0
Sources
NVD

Affected software

SoftwareAffected versions
Node.jsServers and applications · cpe:a:nodejs:node.js
  • From 6.0.0 before 6.8.1
  • From 6.9.0 before 6.14.4
  • From 8.0.0 before 8.8.1
  • From 8.9.0 before 8.11.4
  • From 10.0.0 before 10.9.0
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 1.0.2 up to 1.0.2o
  • From 1.1.0 up to 1.1.0h

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-0732
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-0732