CVE-2022-39829

EUVD-2022-42274
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
Affected Products (NVD)
VendorProductVersion
samsungmtower
𝑥
≤ 0.3.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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