PUB-A-193801134

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-193801134.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-193801134
Aliases
  • A-193801134
  • CVE-2021-0994
Published
2021-12-01T00:00:00Z
Modified
2026-09-21T16:00:45Z
Summary
[none]
Details

In requestRouteToHostAddress of ConnectivityService.java, there is a possible way to determine whether an app is installed, without query permissions, due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/packages/modules/Connectivity

Package

Name
platform/packages/modules/Connectivity

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12:0
Fixed
12:2021-12-01

Affected versions

Other
12

Ecosystem specific 

{
    "fixes":  [
        "https://android.googlesource.com/platform/packages/modules/Connectivity/+/b2c286816d35877ffe22e70f5bc1c03c6d03b214"
    ],
    "severity":  "Moderate",
    "spl":  "2021-12-01",
    "types":  [
        "ID"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "314799369627835642921827884396392181379",
                    "9030396507336448212934982012430864371",
                    "211211637072040028664152410553025331110",
                    "101724637114009651002447169703361275422",
                    "229345486118179885689352253295393278836",
                    "311731141835569413312801846668454551622",
                    "324190697714092880881121812681882346648"
                ],
                "threshold":  0.9
            },
            "id":  "PUB-A-193801134-731290f9",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/packages/modules/Connectivity/+/b2c286816d35877ffe22e70f5bc1c03c6d03b214",
            "target":  {
                "file":  "service/src/com/android/server/ConnectivityService.java"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "68085344819532462762135832814978335987",
                "length":  1579
            },
            "id":  "PUB-A-193801134-d910352b",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/packages/modules/Connectivity/+/b2c286816d35877ffe22e70f5bc1c03c6d03b214",
            "target":  {
                "file":  "service/src/com/android/server/ConnectivityService.java",
                "function":  "requestRouteToHostAddress"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/PUB-A-193801134.json"