CVE-2024-0243

With the following crawler configuration: ```python from bs4 import BeautifulSoup as Soup url = "https://example.com" loader = RecursiveUrlLoader( url=url, max_depth=2, extractor=lambda x: Soup(x, "html.parser").text ) docs = loader.load() ``` An attacker in control of the contents of `https://example.com` could place a malicious HTML file in there with links like "https://example.completely.different/my_file.html" and the crawler would proceed to download that file as well even though `prevent_outside=True`. https://github.com/langchain-ai/langchain/blob/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22/libs/community/langchain_community/document_loaders/recursive_url_loader.py#L51-L51 Resolved in https://github.com/langchain-ai/langchain/pull/15559

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

Vector : AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N

Exploitability : 0.6 / Impact : 2.7

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/langchain-ai/langchain/commit/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22
https://github.com/langchain-ai/langchain/pull/15559
https://huntr.com/bounties/370904e7-10ac-40a4-a8d4-e2d16e1ca861

Configurations

No configuration.

History

13 Mar 2024, 21:15

Type	Values Removed	Values Added
References		() https://github.com/langchain-ai/langchain/pull/15559 -

26 Feb 2024, 16:32

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-02-26 16:27

Updated : 2024-03-13 21:15

NVD link : CVE-2024-0243

Mitre link : CVE-2024-0243

CVE.ORG link : CVE-2024-0243

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

{"id": "CVE-2024-0243", "metrics": {"cvssMetricV30": [{"type": "Secondary", "source": "security@huntr.dev", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 3.7, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 0.6}]}, "published": "2024-02-26T16:27:49.670", "references": [{"url": "https://github.com/langchain-ai/langchain/commit/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22", "source": "security@huntr.dev"}, {"url": "https://github.com/langchain-ai/langchain/pull/15559", "source": "security@huntr.dev"}, {"url": "https://huntr.com/bounties/370904e7-10ac-40a4-a8d4-e2d16e1ca861", "source": "security@huntr.dev"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "security@huntr.dev", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "With the following crawler configuration:\n\n```python\nfrom bs4 import BeautifulSoup as Soup\n\nurl = \"https://example.com\"\nloader = RecursiveUrlLoader(\n url=url, max_depth=2, extractor=lambda x: Soup(x, \"html.parser\").text\n)\ndocs = loader.load()\n```\n\nAn attacker in control of the contents of `https://example.com` could place a malicious HTML file in there with links like \"https://example.completely.different/my_file.html\" and the crawler would proceed to download that file as well even though `prevent_outside=True`.\n\nhttps://github.com/langchain-ai/langchain/blob/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22/libs/community/langchain_community/document_loaders/recursive_url_loader.py#L51-L51\n\nResolved in https://github.com/langchain-ai/langchain/pull/15559"}, {"lang": "es", "value": "Con la siguiente configuraci\u00f3n del rastreador: ```python de bs4 import BeautifulSoup as Soup url = \"https://example.com\" loader = RecursiveUrlLoader( url=url, max_ Depth=2, extractor=lambda x: Soup(x, \"html .parser\").text ) docs = loader.load() ``` Un atacante que controle el contenido de `https://example.com` podr\u00eda colocar un archivo HTML malicioso all\u00ed con enlaces como \"https:/example.completely.different/my_file.html\" y el rastreador proceder\u00eda a descargar ese archivo tambi\u00e9n aunque `prevent_outside=True`. https://github.com/langchain-ai/langchain/blob/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22/libs/community/langchain_community/document_loaders/recursive_url_loader.py#L51-L51 Resuelto en https://github.com/langchain-ai/langchain/pull /15559"}], "lastModified": "2024-03-13T21:15:55.173", "sourceIdentifier": "security@huntr.dev"}