mbedtls/ChangeLog.d/tls13-add-missing-overread-check.txt
Ronald Cron e0d7367a9e Add change log
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
2022-06-27 09:28:49 +02:00

8 lines
493 B
Text

Security
* Fix a buffer overread in TLS 1.3 Certificate parsing. An unauthenticated
client or server could cause an MbedTLS server or client to overread up
to 64 kBytes of data and potentially overread the input buffer by that
amount minus the size of the input buffer. As overread data undergoes
various checks, the likelihood of reaching the boundary of the input
buffer is rather small but increases as its size
MBEDTLS_SSL_IN_CONTENT_LEN decreases.