PUB-A-254681548

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-254681548.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-254681548
Aliases
  • A-254681548
  • CVE-2023-21026
Published
2023-03-01T00:00:00Z
Modified
2026-09-24T20:28:40Z
Summary
[none]
Details

In updateInputChannel of WindowManagerService.java, there is a possible way to set a touchable region beyond its own SurfaceControl due to a logic error in the code. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13:0
Fixed
13:2023-03-01

Affected versions

Other
13

Ecosystem specific 

{
    "fixes":  [
        "https://android.googlesource.com/platform/frameworks/base/+/7a418bbfd67d9367c8559b8074a42ed04f14772d"
    ],
    "severity":  "Moderate",
    "spl":  "2023-03-01",
    "types":  [
        "DoS"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "80201801525218788707289408032071460125",
                "length":  1289
            },
            "id":  "PUB-A-254681548-cb4c68b8",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/frameworks/base/+/7a418bbfd67d9367c8559b8074a42ed04f14772d",
            "target":  {
                "file":  "services/core/java/com/android/server/wm/WindowManagerService.java",
                "function":  "updateInputChannel"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "151756177266360469892963686999850863287",
                    "251306381916280699474504591784976258553",
                    "242012094921370988225436558589673983944",
                    "223723957580976370909691533923698394043",
                    "264170301450392642203525729545814856020",
                    "134095800456344932803998435989356458406",
                    "87059782453090540356880545029940738830",
                    "328015400797600160054502451207891599278"
                ],
                "threshold":  0.9
            },
            "id":  "PUB-A-254681548-e7f667d5",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/frameworks/base/+/7a418bbfd67d9367c8559b8074a42ed04f14772d",
            "target":  {
                "file":  "services/core/java/com/android/server/wm/WindowManagerService.java"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/PUB-A-254681548.json"