Arbitrary Code Execution Affecting langchain package, versions [,0.0.225)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.19% (59th percentile)

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  • Snyk IDSNYK-PYTHON-LANGCHAIN-5710354
  • published19 Jun 2023
  • disclosed14 Jun 2023
  • creditUnknown

Introduced: 14 Jun 2023

CVE-2023-34540  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade langchain to version 0.0.225 or higher.

Overview

langchain is a Building applications with LLMs through composability

Affected versions of this package are vulnerable to Arbitrary Code Execution with the jira.run() command, which allows functions like exec() to be called with the other argument.

PoC

jira = JiraAPIWrapper()
output = jira.run('other',"exec(\"import os;print(os.popen('id').read())\")")

CVSS Scores

version 3.1