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.
Vulnerability category: Memory Corruption
Products affected by CVE-2022-39829
- cpe:2.3:a:samsung:mtower:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-39829
0.59%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-39829
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-39829
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-39829
-
https://github.com/Samsung/mTower/issues/75
Security: NULL Pointer Dereference in the function aes256_encrypt() · Issue #75 · Samsung/mTower · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/ecdsa_keygen.c#L135
mTower/ecdsa_keygen.c at 18f4b592a8a973ce5972f4e2658ea0f6e3686284 · Samsung/mTower · GitHubExploit;Third Party Advisory
-
https://www.openssl.org/docs/manmaster/man3/EVP_CIPHER_CTX_new.html
/docs/manmaster/man3/EVP_CIPHER_CTX_new.htmlThird Party Advisory
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