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    CVE-2022-38155

    TEE_Malloc in Samsung mTower through 0.3.0 allows a trusted application to achieve Excessive Memory Allocation via a large len value, as demonstrated by a Numaker-PFM-M2351 TEE kernel crash.

    Published:Aug 11, 2022
    Last Modified:Nov 21, 2024
    EPS:Aug 11, 2022
    EPSS Score:0.00457
    CVSS Score:7.5

    Affected Products

    Vendor
    Samsung
    Product
    Mtower

    Exploits

    https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tee/lib/libutee/tee_api.c#L314https://github.com/Samsung/mTower/issues/74https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tee/lib/libutee/tee_api.c#L314https://github.com/Samsung/mTower/issues/74

    Related CVEs

    CVE-2022-40757 (CVSS 7.5) — A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACComputeFinal function in Samsung mTower…
    CVE-2022-40758 (CVSS 7.5) — A Buffer Access with Incorrect Length Value vulnerablity in the TEE_CipherUpdate function in Samsung mTower th…
    CVE-2022-40759 (CVSS 7.5) — A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower through 0.3.0 allows a …
    CVE-2022-40760 (CVSS 7.5) — A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACUpdate function in Samsung mTower throu…
    CVE-2022-40761 (CVSS 7.5) — The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of …
    CVE-2022-40762 (CVSS 7.5) — A Memory Allocation with Excessive Size Value vulnerablity in the TEE_Realloc function in Samsung mTower throu…
    CVE-2022-39828 (CVSS 7.5) — sign_pFwInfo in Samsung mTower through 0.3.0 has a missing check on the return value of EC_KEY_set_private_key…
    CVE-2022-39829 (CVSS 7.5) — There is a NULL pointer dereference in aes256_encrypt in Samsung mTower through 0.3.0 due to a missing check o…
    CVE-2022-39830 (CVSS 7.5) — sign_pFwInfo in Samsung mTower through 0.3.0 has a missing check on the return value of EC_KEY_set_public_key_…
    CVE-2022-36622 (CVSS 7.5) — Samsung Electronics mTower v0.3.0 and earlier was discovered to contain a NULL pointer dereference via the fun…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High