Vulnerability Details CVE-2022-39829
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.6%
CVSS Severity
CVSS v3 Score 7.5
References
- https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/ecdsa_keygen.c#L135
- https://github.com/Samsung/mTower/issues/75
- https://www.openssl.org/docs/manmaster/man3/EVP_CIPHER_CTX_new.html
- https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/ecdsa_keygen.c#L135
- https://github.com/Samsung/mTower/issues/75
- https://www.openssl.org/docs/manmaster/man3/EVP_CIPHER_CTX_new.html