Arbitrary Code Execution Affecting joblib package, versions [,1.1.1)
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.5% (77th
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-JOBLIB-3027033
- published 25 Sep 2022
- disclosed 19 Sep 2022
- credit Jim Lin
Introduced: 19 Sep 2022
CVE-2022-21797 Open this link in a new tabHow to fix?
Upgrade joblib to version 1.1.1 or higher.
Overview
joblib is a Lightweight pipelining with Python functions
Affected versions of this package are vulnerable to Arbitrary Code Execution via the pre_dispatch flag in Parallel() class due to the eval() statement.
PoC
def f():
return 1
p = Parallel(n_jobs=3, pre_dispatch="sys.exit(0)")
p(delayed(f)() for i in range(10)) # this will cause the system to exit
CVSS Scores
version 3.1