VulnerabilityModified
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.
HIGH 7.5EPSS 1.31%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.31% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- samsung/mtower
- Source
- cve@mitre.org
References
- https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/ecdsa_keygen.c#L135Exploit, Third Party Advisory
- https://github.com/Samsung/mTower/issues/75Exploit, Issue Tracking, Third Party Advisory
- https://www.openssl.org/docs/manmaster/man3/EVP_CIPHER_CTX_new.htmlThird Party Advisory
- https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/ecdsa_keygen.c#L135Exploit, Third Party Advisory
- https://github.com/Samsung/mTower/issues/75Exploit, Issue Tracking, Third Party Advisory
- https://www.openssl.org/docs/manmaster/man3/EVP_CIPHER_CTX_new.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.