What’s Vulnerable › Vulnerabilities

CVE-2022-39829

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-09-05 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Samsung Mtower: through 0.3.0

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

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