fkie_cve-2024-12704
Vulnerability from fkie_nvd
Published
2025-03-20 10:15
Modified
2025-07-31 16:09
Severity ?
Summary
A vulnerability in the LangChainLLM class of the run-llama/llama_index repository, version v0.12.5, allows for a Denial of Service (DoS) attack. The stream_complete method executes the llm using a thread and retrieves the result via the get_response_gen method of the StreamingGeneratorCallbackHandler class. If the thread terminates abnormally before the _llm.predict is executed, there is no exception handling for this case, leading to an infinite loop in the get_response_gen function. This can be triggered by providing an input of an incorrect type, causing the thread to terminate and the process to continue running indefinitely.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| llamaindex | llamaindex | 0.12.5 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:llamaindex:llamaindex:0.12.5:*:*:*:*:*:*:*",
"matchCriteriaId": "D35A0A81-3555-4025-9D5B-FE7435EA5747",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the LangChainLLM class of the run-llama/llama_index repository, version v0.12.5, allows for a Denial of Service (DoS) attack. The stream_complete method executes the llm using a thread and retrieves the result via the get_response_gen method of the StreamingGeneratorCallbackHandler class. If the thread terminates abnormally before the _llm.predict is executed, there is no exception handling for this case, leading to an infinite loop in the get_response_gen function. This can be triggered by providing an input of an incorrect type, causing the thread to terminate and the process to continue running indefinitely."
},
{
"lang": "es",
"value": "Una vulnerabilidad en la clase LangChainLLM del repositorio run-llama/llama_index, versi\u00f3n v0.12.5, permite un ataque de denegaci\u00f3n de servicio (DoS). El m\u00e9todo stream_complete ejecuta el llm mediante un hilo y recupera el resultado mediante el m\u00e9todo get_response_gen de la clase StreamingGeneratorCallbackHandler. Si el hilo termina de forma an\u00f3mala antes de ejecutar _llm.predict, no se gestionan excepciones, lo que genera un bucle infinito en la funci\u00f3n get_response_gen. Esto puede activarse al proporcionar una entrada de un tipo incorrecto, lo que provoca la finalizaci\u00f3n del hilo y la ejecuci\u00f3n indefinida del proceso."
}
],
"id": "CVE-2024-12704",
"lastModified": "2025-07-31T16:09:08.193",
"metrics": {
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "security@huntr.dev",
"type": "Secondary"
}
]
},
"published": "2025-03-20T10:15:29.383",
"references": [
{
"source": "security@huntr.dev",
"tags": [
"Patch"
],
"url": "https://github.com/run-llama/llama_index/commit/d1ecfb77578d089cbe66728f18f635c09aa32a05"
},
{
"source": "security@huntr.dev",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://huntr.com/bounties/a0b638fd-21c6-4ba7-b381-6ab98472a02a"
}
],
"sourceIdentifier": "security@huntr.dev",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-755"
}
],
"source": "security@huntr.dev",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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