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@huntr_aiCVELIST:CVE-2024-2952

HistoryApr 10, 2024 - 5:07 p.m.

CVE-2024-2952 Server-Side Template Injection in BerriAI/litellm

2024-04-1017:07:52

CWE-76

@huntr_ai

www.cve.org

berriai/litellm

server-side template injection

ssti

/completions endpoint

tokenizer_config.json

jinja template engine

malicious file

arbitrary code

cve-2024-2952

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

9.1%

JSON

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.

CNA Affected

[
  {
    "vendor": "berriai",
    "product": "berriai/litellm",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "1.34.42",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/berriai/litellm/commit/8a1cdc901708b07b7ff4eca20f9cb0f1f0e8d0b3

huntr.com/bounties/a9e0a164-6de0-43a4-a640-0cbfb54220a4

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

9.1%

JSON

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