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Findings

GHSA-3hpf-ff72-j67p

shared_preferences_android vulnerability

Published Dec 6, 2024 · corrected/updated Dec 6, 2024 · evidence confidence medium

### Impact Due to some data types not being natively representable for the available storage options, shared_preferences_android serializes and deserializes special string prefixes to store these unrepresentable data types. This allows arbitrary classes to be deserialized leading to arbitrary code execution. As a result, Files containing the preferences can be overwritten with a malicious one with a deserialization payload that triggers as soon as the data is loaded from the disk. ### Patches 2.3.4 ### Workarounds Update to the latest version of shared_preferences_android that contains the changes to address this vulnerability. ### References TBD ### For more information See [our community page](https://dart.dev/community) to find ways to contact the team. ### Thanks Thank you so much to Oskar Zeino-Mahmalat from sonarsource for finding and reporting this issue!

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

GHSA-3hpf-ff72-j67p is a low public vulnerability record for this product. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether this product is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: shared_preferences_android (2.3.3 → 2.3.4). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 3.0. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-502. Sources contributing to this record: github, osv. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 6, 2024 · GitHub Advisory Database

    Detected

    ### Impact Due to some data types not being natively representable for the available storage options, shared_preferences_android serializes and deserializes special string prefixes to store these unrepresentable data types. This allows arbitrary classes to be deserialized leading to arbitrary code execution. As a result, Files containing the preferences can be overwritten with a malicious one with

  2. Dec 6, 2024 · GitHub Advisory Database

    Fix available

    shared_preferences_android fixed in 2.3.4

  3. Dec 6, 2024 · GitHub Advisory Database

    Fix available

    shared_preferences_android fixed in 2.3.4

Affected

  • Pub shared_preferences_android2.3.3 → 2.3.4

Sources

References