Out-of-bounds Read Affecting typed-ast package, versions [1.30,1.32)
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Availability
High
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.32% (71st
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-TYPEDAST-535627
- published 26 Nov 2019
- disclosed 26 Nov 2019
- credit Brad Larsen
Introduced: 26 Nov 2019
CVE-2019-19274 Open this link in a new tabHow to fix?
Upgrade typed-ast to version 1.32 or higher.
Overview
typed-ast is a Python 3 package that provides a Python 2.7 and Python 3 parser similar to the standard ast library.
Affected versions of this package are vulnerable to Out-of-bounds Read via handle_keywordonly_args. 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.