VDB-232891 · CVE-2023-36258 · CVE-2023-36188

LangChain 0.0.199 Python PALChain code injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in LangChain 0.0.199. Affected is the function PALChain of the component Python Handler. This manipulation causes code injection. This vulnerability is handled as CVE-2023-36258. The attack can only be done within the local network. There is not any exploit available. It looks like this entry got a duplicate CVE-2023-36188 assigned.

Detailsinfo

A vulnerability was found in LangChain 0.0.199. It has been declared as critical. Affected by this vulnerability is the function PALChain of the component Python Handler. The manipulation with an unknown input leads to a code injection vulnerability. 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 langchain v.0.0.199 allows an attacker to execute arbitrary code via the PALChain in the python exec method.

The weakness was released 07/04/2023 as 5872. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-36258 since 06/21/2023. 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

Name

LangChain

Version

0.0.199

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/21/2023 🔍
07/04/2023 +13 days 🔍
07/04/2023 +0 days 🔍
07/22/2023 +18 days 🔍

Sourcesinfo

Advisory: 5872
Status: Confirmed

CVE: CVE-2023-36258 (🔍)
CVE Duplicate: 🔍
GCVE (CVE): GCVE-0-2023-36258
GCVE (VulDB): GCVE-100-232891

Entryinfo

Created: 07/04/2023 07:02
Updated: 07/22/2023 17:33
Changes: 07/04/2023 07:02 (39), 07/06/2023 16:42 (1), 07/22/2023 17:33 (11)
Complete: 🔍
Cache ID: 216::103