CVE-2020-8938

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Source

https://cve.org/CVERecord?id=CVE-2020-8938

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8938.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2020-8938

Published

2020-12-15T15:15:13.300Z

Modified

2026-04-11T17:01:42.385476Z

Severity

3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS Calculator

Summary

[none]

Details

An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allows an attacker to make a host call to FromkLinuxSockAddr with attacker controlled content and size of klinux_addr which allows an attacker to write memory values from within the enclave. We recommend upgrading past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02

References

https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39

Affected packages

Git / github.com/google/asylo

Affected ranges

Type

GIT

Repo

https://github.com/google/asylo

Events

Introduced

Last affected

299f804acbb95a612ab7c504d25ab908aa59ae93

Fixed

bda9772e7872b0d2b9bee32930cf7a4983837b39

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.6.0"
        }
    ]
}

Affected versions

buildenv-v0.*

buildenv-v0.2.0

buildenv-v0.2.1

buildenv-v0.2.2

buildenv-v0.3.0

buildenv-v0.3.1

buildenv-v0.3.2

buildenv-v0.3.3

buildenv-v0.3.4

buildenv-v0.4.0

buildenv-v0.4.1

buildenv-v0.5.0

buildenv-v0.5.1

buildenv-v0.5.2

buildenv-v0.5.3

buildenv-v0.6.0

v0.*

v0.2.0

v0.2.1

v0.2.2

v0.3.0

v0.3.1

v0.3.2

v0.3.3

v0.3.4

v0.3.4.1

v0.4.0

v0.4.1

v0.5.0

v0.5.1

v0.5.2

v0.5.3

v0.6.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8938.json"

vanir_signatures_modified

"2026-04-11T17:01:42Z"

vanir_signatures

[
    {
        "digest": {
            "length": 1812.0,
            "function_hash": "276634427334456250506915416195287932212"
        },
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2020-8938-02c94e7b",
        "signature_version": "v1",
        "source": "https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39",
        "target": {
            "function": "FromkLinuxSockAddr",
            "file": "asylo/platform/system_call/type_conversions/manual_types_functions.cc"
        }
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "224622692659095594116796121325666375537",
                "258300968244519539966730222550514275793",
                "31976310958349136905499546038586408132",
                "122891448247447189379876431571775108173",
                "45745031556168929570646256163036053546",
                "3692053811792430187115949791089054351",
                "337951493904622095677203663831071663680",
                "234578970323646253732573266390107434727",
                "207056685382301034945293980035265562765",
                "278965873354353131969536507851939603023",
                "306627332465685616850742984101958326171",
                "175283638473887951665391927916184734622"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2020-8938-75a8a53e",
        "signature_version": "v1",
        "source": "https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39",
        "target": {
            "file": "asylo/platform/system_call/type_conversions/manual_types_functions.cc"
        }
    }
]