python/typed_ast · Security
typed-ast Out-of-bounds Read
- GHSA ID
- GHSA-m3jw-62m7-jjcm
- CVE ID
- CVE-2019-19274
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
typed_ast 1.3.0 and 1.3.1 has a handle_keywordonly_args out-of-bounds read. An attacker with the ability to cause a Python interpreter to parse Python source (but not necessarily execute it) may be able to crash the interpreter process. This could be a concern, for example, in a web-based service that parses (but does not execute) Python code. (This issue also affected certain Python 3.8.0-alpha prereleases.)
CWEs
- CWE-125 · Out-of-bounds Read
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-19274 ↗
- https://github.com/python/cpython/commit/a4d78362397fc3bced6ea80fbc7b5f4827aec55e ↗
- https://github.com/python/cpython/commit/dcfcd146f8e6fc5c2fc16a4c192a0c5f5ca8c53c ↗
- https://github.com/python/typed_ast/commit/156afcb26c198e162504a57caddfe0acd9ed7dce ↗
- https://github.com/python/typed_ast/commit/dc317ac9cff859aa84eeabe03fb5004982545b3b ↗
- https://bugs.python.org/issue36495 ↗
- https://github.com/advisories/GHSA-m3jw-62m7-jjcm ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/typed-ast/PYSEC-2019-130.yaml ↗
- https://lists.fedoraproject.org/archives/list/[email protected]/message/LG5H4Q6LFVRX7SFXLBEJMNQFI4T5SCEA ↗