GHSA-46CM-PFWV-CGF8

Vulnerability from github – Published: 2024-04-10 18:30 – Updated: 2024-04-11 15:46
VLAI?
Summary
LiteLLM has Server-Side Template Injection vulnerability in /completions endpoint
Details

BerriAI/litellm is vulnerable to Server-Side Template Injection (SSTI) via the /completions endpoint. The vulnerability arises from the hf_chat_template method processing the chat_template parameter from the tokenizer_config.json file through the Jinja template engine without proper sanitization. Attackers can exploit this by crafting malicious tokenizer_config.json files that execute arbitrary code on the server.

Severity ?
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "litellm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.34.42"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-2952"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-76"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-10T22:18:53Z",
    "nvd_published_at": "2024-04-10T17:15:54Z",
    "severity": "CRITICAL"
  },
  "details": "BerriAI/litellm is vulnerable to Server-Side Template Injection (SSTI) via the `/completions` endpoint. The vulnerability arises from the `hf_chat_template` method processing the `chat_template` parameter from the `tokenizer_config.json` file through the Jinja template engine without proper sanitization. Attackers can exploit this by crafting malicious `tokenizer_config.json` files that execute arbitrary code on the server.",
  "id": "GHSA-46cm-pfwv-cgf8",
  "modified": "2024-04-11T15:46:18Z",
  "published": "2024-04-10T18:30:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-2952"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BerriAI/litellm/issues/2949"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BerriAI/litellm/pull/2941"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BerriAI/litellm/commit/8a1cdc901708b07b7ff4eca20f9cb0f1f0e8d0b3"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/BerriAI/litellm"
    },
    {
      "type": "WEB",
      "url": "https://github.com/BerriAI/litellm/blob/0d803e13798db40aa7463e64a6bafaee386424f5/litellm/proxy/proxy_server.py#L2087"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/a9e0a164-6de0-43a4-a640-0cbfb54220a4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "LiteLLM has Server-Side Template Injection vulnerability in /completions endpoint"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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