Mtower
CVE-2022-35858
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Resource cleanup, leak prevention
|
| Impact | CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A local attacker with access to the system could exhaust available memory leading to denial of service. |
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Alert meAnalysisAI
The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Ensure all allocated memory is properly freed. Use RAII patterns or garbage-collected languages.
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Technical ContextAI · show details
This vulnerability is classified as Memory Leak (CWE-401), which allows attackers to exhaust available memory leading to denial of service. The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by invoking the function TEE_PopulateTransientObject with a large number in the parameter attrCount. Affected products include: Samsung Mtower.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by invoking the function TEE_PopulateTransientObject with a large number in the parameter attrCount.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
sign_pFwInfo in Samsung mTower through 0.3.0 has a missing check on the return value of EC_KEY_set_public_key_affine_coo
There is a NULL pointer dereference in aes256_encrypt in Samsung mTower through 0.3.0 due to a missing check on the retu
sign_pFwInfo in Samsung mTower through 0.3.0 has a missing check on the return value of EC_KEY_set_private_key, leading
TEE_Malloc in Samsung mTower through 0.3.0 allows a trusted application to achieve Excessive Memory Allocation via a lar
A Memory Allocation with Excessive Size Value vulnerablity in the TEE_Realloc function in Samsung mTower through 0.3.0 a
The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (D
A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACUpdate function in Samsung mTower through 0.3.0 a
A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower through 0.3.0 allows a trusted ap
A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower through 0.3.
A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACComputeFinal function in Samsung mTower through 0
Samsung Electronics mTower v0.3.0 and earlier was discovered to contain a NULL pointer dereference via the function TEE_
Samsung Electronics mTower v0.3.0 and earlier was discovered to contain a NULL pointer dereference via the function TEE_
Exploit-DB