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Findings

CVE-2021-31402

dio vulnerable to CRLF injection with HTTP method string

Published Mar 21, 2023 · updated Feb 16, 2024

### Impact The dio package 4.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a different vulnerability than CVE-2020-35669. ### Patches The vulnerability has been resolved by https://github.com/cfug/dio/commit/927f79e93ba39f3c3a12c190624a55653d577984, and included since v5.0.0. ### Workarounds Cherry-pick the commit to your own fork can resolves the vulberability too. ### References - https://nvd.nist.gov/vuln/detail/CVE-2021-31402 - https://osv.dev/GHSA-jwpw-q68h-r678 - https://github.com/cfug/dio/issues/1130 - https://github.com/cfug/dio/issues/1752

Code

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

Timeline

Detection, updates, and resolution for this record.

  1. Mar 21, 2023 · GitHub Advisory Database

    Detected

    ### Impact The dio package 4.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a different vulnerability than CVE-2020-35669. ### Patches The vulnerability has been resolved by https://github.com/cfug/dio/commit/927f79e93ba39f3c3a12c190624a55653d577984, and included since v5.0.0. ### Workarounds Cherry-pick the commit to your own fork can resolves the vulberabilit

  2. Feb 16, 2024 · GitHub Advisory Database

    Fix available

    dio fixed in 5.0.0

  3. Feb 16, 2024 · GitHub Advisory Database

    Fix available

    dio fixed in 5.0.0

  4. Feb 16, 2024 · GitHub Advisory Database

    Updated

    ### Impact The dio package 4.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a different vulnerability than CVE-2020-35669. ### Patches The vulnerability has been resolved by https://github.com/cfug/dio/commit/927f79e93ba39f3c3a12c190624a55653d577984, and included since v5.0.0. ### Workarounds Cherry-pick the commit to your own fork can resolves the vulberabilit

Affected

  • Pub dio0 → 5.0.0

Sources

References