Uncontrolled Recursion Affecting sqlparse package, versions [,0.5.0)
Snyk CVSS
Attack Complexity
Low
Availability
High
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.05% (15th
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-SQLPARSE-6615674
- published 16 Apr 2024
- disclosed 15 Apr 2024
- credit uriyay-jfrog
Introduced: 15 Apr 2024
New CVE-2024-4340 Open this link in a new tabHow to fix?
Upgrade sqlparse to version 0.5.0 or higher.
Overview
Affected versions of this package are vulnerable to Uncontrolled Recursion due to the parsing of heavily nested lists. An attacker can cause the application to crash by submitting a specially crafted list that triggers a RecursionError.
Note:
The impact depends on the use, so anyone parsing a user input with sqlparse.parse() is affected.
PoC
import sqlparse
sqlparse.parse('[' * 10000 + ']' * 10000)