ASB-A-277824547

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-277824547.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-277824547
Aliases
  • A-277824547
  • CVE-2023-21242
Published
2023-08-01T00:00:00Z
Modified
2024-08-07T19:29:34.303592Z
Summary
TOFU: An impostor server attack possible because the Root CA is not verified initially
Details

In isServerCertChainValid of InsecureEapNetworkHandler.java, there is a possible way to trust an imposter server due to a logic error in the code. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/packages/modules/Wifi

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13-next:0
Fixed
13-next:2023-08-01

Affected versions

Other

13-next

Ecosystem specific

{
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            "id": "ASB-A-277824547-08f6dee3",
            "source": "https://android.googlesource.com/platform/packages/modules/Wifi/+/e933f528a9d9e89a80a2f3723f9eb8817f461d87",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "service/java/com/android/server/wifi/InsecureEapNetworkHandler.java"
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            "digest": {
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                "function_hash": "8069554671513980037575310337244460442"
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            "id": "ASB-A-277824547-2f222961",
            "source": "https://android.googlesource.com/platform/packages/modules/Wifi/+/e933f528a9d9e89a80a2f3723f9eb8817f461d87",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "service/java/com/android/server/wifi/InsecureEapNetworkHandler.java",
                "function": "isServerCertChainValid"
            },
            "signature_type": "Function"
        },
        {
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            "deprecated": false,
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                "file": "service/java/com/android/server/wifi/ClientModeImpl.java"
            },
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            "digest": {
                "length": 2035.0,
                "function_hash": "255287432308450784740481659697608859933"
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            "id": "ASB-A-277824547-57d189a1",
            "source": "https://android.googlesource.com/platform/packages/modules/Wifi/+/e933f528a9d9e89a80a2f3723f9eb8817f461d87",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "service/java/com/android/server/wifi/InsecureEapNetworkHandler.java",
                "function": "addPendingCertificate"
            },
            "signature_type": "Function"
        },
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            "digest": {
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                "function_hash": "283049347864322486196038743546180831578"
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            "id": "ASB-A-277824547-5f879836",
            "source": "https://android.googlesource.com/platform/packages/modules/Wifi/+/e933f528a9d9e89a80a2f3723f9eb8817f461d87",
            "deprecated": false,
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                "file": "service/java/com/android/server/wifi/ClientModeImpl.java",
                "function": "processMessageImpl"
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            "signature_type": "Function"
        },
        {
            "digest": {
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                "function_hash": "299073586557282496729243433060534581373"
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            "id": "ASB-A-277824547-e0461064",
            "source": "https://android.googlesource.com/platform/packages/modules/Wifi/+/e933f528a9d9e89a80a2f3723f9eb8817f461d87",
            "deprecated": false,
            "signature_version": "v1",
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                "file": "service/java/com/android/server/wifi/ClientModeImpl.java",
                "function": "processMessageImpl"
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        },
        {
            "digest": {
                "length": 1345.0,
                "function_hash": "2869483852819837235851461801753067357"
            },
            "id": "ASB-A-277824547-fe75693f",
            "source": "https://android.googlesource.com/platform/packages/modules/Wifi/+/e933f528a9d9e89a80a2f3723f9eb8817f461d87",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "service/java/com/android/server/wifi/InsecureEapNetworkHandler.java",
                "function": "startUserApprovalIfNecessary"
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            "signature_type": "Function"
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    "fixes": [
        "https://android.googlesource.com/platform/packages/modules/Wifi/+/e933f528a9d9e89a80a2f3723f9eb8817f461d87"
    ],
    "spl": "2023-08-01",
    "severity": "High",
    "types": [
        "EoP"
    ]
}

Android / platform/packages/modules/Wifi

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13:0
Fixed
13:2023-08-01

Affected versions

Other

13

Ecosystem specific

{
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