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CVE-2023-39631

Good to know:

Date: August 31, 2023

An issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary code via the evaluate function in the numexpr library.

Language: Python

Severity Score

9.8

Related Resources (10)

Url: https://github.com/langchain-ai/langchain/pull/11302

Url: https://github.com/langchain-ai/langchain/issues/8363

Url: https://github.com/langchain-ai/langchain/releases/tag/v0.0.308

Url: https://github.com/pydata/numexpr/commit/4b2d89cf14e75030d27629925b9998e1e91d23c7

Url: https://github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2023-162.yaml

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-39631

Url: https://github.com/langchain-ai/langchain

Url: https://github.com/pypa/advisory-database/tree/main/vulns/numexpr/PYSEC-2023-163.yaml

Url: https://github.com/pydata/numexpr/issues/442

Url: https://www.mend.io/vulnerability-database/CVE-2023-39631

Severity Score

9.8

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

Top Fix

Upgrade Version

Upgrade to version langchain - 0.0.308;numexpr - 2.8.5

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

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