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CVE-2011-1473

OpenSSL before 0.9.8l, and 0.9.8m through 1.x, does not properly restrict client-initiated renegotiation within the SSL and TLS protocols, w

Published
Last modified
published
Not listed in CISA KEV
3 proofs of concept on GitHub

Summary

OpenSSL before 0.9.8l, and 0.9.8m through 1.x, does not properly restrict client-initiated renegotiation within the SSL and TLS protocols, which might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection, a different vulnerability than CVE-2011-5094. NOTE: it can also be argued that it is the responsibility of server deployments, not a security library, to prevent or limit renegotiation when it is inappropriate within a specific environment

Timeline

  1. CVE published
  2. Record last updated
  3. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a n/a

    Version range not reported

References 27

vincent.bernat.im

ietf.org

bugzilla.redhat.com

archives.neohapsis.com

educatedguesswork.org

openwall.com

marc.info

orchilles.com

lists.apache.org

GitHub · XDLDCG/bash-tls-reneg-attack

GitHub · khaledibnalwalid/CVE-2011-1473-POC

GitHub · zjt674449039/cve-2011-1473