CVE-2022-39829 Information

Description

There is a NULL pointer dereference in aes256_encrypt in Samsung mTower through 0.3.0 due to a missing check on the return value of EVP_CIPHER_CTX_new.

Reference

https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/ecdsa_keygen.c#L135 https://www.openssl.org/docs/manmaster/man3/EVP_CIPHER_CTX_new.html https://github.com/Samsung/mTower/issues/75