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    CVE-2020-8904

    An arbitrary memory overwrite vulnerability in the trusted memory of Asylo exists in versions prior to 0.6.0. As the ecall_restore function fails to validate the range of the output_len pointer, an attacker can manipulate the tmp_output_len value and write to an arbitrary location in the trusted (enclave) memory. We recommend updating Asylo to version 0.6.0 or later.

    Published:Aug 12, 2020
    Last Modified:Nov 21, 2024
    EPS:Aug 12, 2020
    EPSS Score:0.00061
    CVSS Score:6.4

    Affected Products

    Vendor
    Google
    Product
    Asylo

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2021-22549 (CVSS 6.5) — An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is rec…
    CVE-2021-22548 (CVSS 6.5) — An attacker can change the pointer to untrusted memory to point to trusted memory region which causes copying …
    CVE-2020-8944 (CVSS 5.3) — An arbitrary memory write vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a c…
    CVE-2020-8942 (CVSS 5.3) — An arbitrary memory read vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a ca…
    CVE-2020-8943 (CVSS 5.3) — An arbitrary memory read vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a ca…
    CVE-2020-8941 (CVSS 5.3) — An arbitrary memory read vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a ca…
    CVE-2020-8940 (CVSS 5.3) — An arbitrary memory read vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a ca…
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    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