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Advisories

netty-tcnative 2.0.66.Final before 2.0.84.Final Use-After-Free in Session Ticket Callback

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Severity
high
Date
Affecting

  • netty-tcnative >= 2.0.66.Final, < 2.0.84.Final

CWE
  • CWE-416 Use After Free
CVSS
8.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Yu Bao, PayPal Cyber Security Team
Description
netty-tcnative 2.0.66.Final before 2.0.84.Final built against OpenSSL 3.x contains a use-after-free vulnerability in ssl_tlsext_ticket_key_cb during session ticket key rotation. Remote clients performing TLS handshakes while setSessionTicketKeys0 frees the shared key array cause OpenSSL to read freed HMAC keys, crashing or corrupting ticket processing.

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