CVE-2020-12457 | BDVDB-2026-140472 Detail

Description#

An issue was discovered in wolfSSL before 4.5.0. It mishandles the change_cipher_spec (CCS) message processing logic for TLS 1.3. If an attacker sends ChangeCipherSpec messages in a crafted way involving more than one in a row, the server becomes stuck in the ProcessReply() loop, i.e., a denial of service.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12020-08-21Record published in the CVE List.
2. Version 22024-08-04Most recent update recorded in the CVE List.