CVE-2022-46393
Critical
Description
An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLS_SSL_DTLS_CONNECTION_ID is enabled and MBEDTLS_SSL_CID_IN_LEN_MAX > 2 * MBEDTLS_SSL_CID_OUT_LEN_MAX.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Arm Mbed Tls
PublishedDec 15, 2022
First seenDec 15, 2022
Weakness typeCWE-125Out-of-bounds readCWE-787Out-of-bounds write
How to fix
Update
- arm mbed_tls2.28.2 or later
- trustedfirmware mbed_tls3.3.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| arm mbed_tls | v < 2.28.2 | 2.28.2 |
| trustedfirmware mbed_tls | 3.0.0 ≤ v < 3.3.0 | 3.3.0 |
| fedoraproject fedora | 36, 37 | — |
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