mcp-server-semgrep
Version:
MCP Server for Semgrep Integration - static code analysis with AI
66 lines (65 loc) • 1.94 kB
YAML
rules:
- id: exec-injection
languages:
- python
severity: ERROR
message: Detected user data flowing into exec. This is code injection and should be avoided.
metadata:
cwe:
- "CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')"
owasp:
- A03:2021 - Injection
references:
- https://nedbatchelder.com/blog/201206/exec_really_is_dangerous.html
category: security
technology:
- flask
subcategory:
- vuln
likelihood: MEDIUM
impact: HIGH
confidence: MEDIUM
pattern-either:
- patterns:
- pattern: exec(...)
- pattern-either:
- pattern-inside: |
@$APP.route($ROUTE, ...)
def $FUNC(..., $ROUTEVAR, ...):
...
exec(..., <... $ROUTEVAR ...>, ...)
- pattern-inside: |
@$APP.route($ROUTE, ...)
def $FUNC(..., $ROUTEVAR, ...):
...
$INTERM = <... $ROUTEVAR ...>
...
exec(..., <... $INTERM ...>, ...)
- pattern: exec(..., <... flask.request.$W.get(...) ...>, ...)
- pattern: exec(..., <... flask.request.$W[...] ...>, ...)
- pattern: exec(..., <... flask.request.$W(...) ...>, ...)
- pattern: exec(..., <... flask.request.$W ...>, ...)
- patterns:
- pattern-inside: |
$INTERM = <... flask.request.$W.get(...) ...>
...
exec(..., <... $INTERM ...>, ...)
- pattern: exec(...)
- patterns:
- pattern-inside: |
$INTERM = <... flask.request.$W[...] ...>
...
exec(..., <... $INTERM ...>, ...)
- pattern: exec(...)
- patterns:
- pattern-inside: |
$INTERM = <... flask.request.$W(...) ...>
...
exec(..., <... $INTERM ...>, ...)
- pattern: exec(...)
- patterns:
- pattern-inside: |
$INTERM = <... flask.request.$W ...>
...
exec(..., <... $INTERM ...>, ...)
- pattern: exec(...)