Harrison Chase LangChain 0.0.245 numexpr evaluate code injection

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Harrison Chase LangChain 0.0.245. This affects the function evaluate of the component numexpr. This manipulation causes an unknown weakness. This vulnerability appears as CVE-2023-39631. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Harrison Chase LangChain 0.0.245 and classified as critical. Affected by this vulnerability is the function evaluate of the component numexpr. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 09/01/2023 as 8363. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-39631 since 08/07/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2023 🔍
09/01/2023 +25 days 🔍
09/01/2023 +0 days 🔍
09/29/2023 +28 days 🔍

Sourcesinfo

Advisory: 8363
Status: Confirmed

CVE: CVE-2023-39631 (🔍)
GCVE (CVE): GCVE-0-2023-39631
GCVE (VulDB): GCVE-100-238603

Entryinfo

Created: 09/01/2023 21:37
Updated: 09/29/2023 15:51
Changes: 09/01/2023 21:37 (38), 09/29/2023 15:51 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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