147 lines
6.0 KiB
JSON
147 lines
6.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-62727",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2025-10-20T19:41:22.742Z",
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"datePublished": "2025-10-28T20:14:53.655Z",
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"dateUpdated": "2025-11-04T17:41:42.316Z"
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},
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"containers": {
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"cna": {
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"title": "Starlette vulnerable to O(n^2) DoS via Range header merging in starlette.responses.FileResponse",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-407",
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"lang": "en",
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"description": "CWE-407: Inefficient Algorithmic Complexity",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/Kludex/starlette/security/advisories/GHSA-7f5h-v6xp-fcq8",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/Kludex/starlette/security/advisories/GHSA-7f5h-v6xp-fcq8"
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},
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{
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"name": "https://github.com/Kludex/starlette/commit/4ea6e22b489ec388d6004cfbca52dd5b147127c5",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/Kludex/starlette/commit/4ea6e22b489ec388d6004cfbca52dd5b147127c5"
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},
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{
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"name": "https://github.com/Kludex/starlette/commit/69ed26a85956ef4bd0161807eb27abf49be7cd3c",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/Kludex/starlette/commit/69ed26a85956ef4bd0161807eb27abf49be7cd3c"
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},
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{
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"name": "https://github.com/Kludex/starlette/releases/tag/0.49.1",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/Kludex/starlette/releases/tag/0.49.1"
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}
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],
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"affected": [
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{
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"vendor": "Kludex",
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"product": "starlette",
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"versions": [
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{
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"version": ">= 0.39.0, < 0.49.1",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2025-11-04T17:41:42.316Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Starlette is a lightweight ASGI framework/toolkit. Starting in version 0.39.0 and prior to version 0.49.1 , an unauthenticated attacker can send a crafted HTTP Range header that triggers quadratic-time processing in Starlette's FileResponse Range parsing/merging logic. This enables CPU exhaustion per request, causing denial‑of‑service for endpoints serving files (e.g., StaticFiles or any use of FileResponse). This vulnerability is fixed in 0.49.1."
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}
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],
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"source": {
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"advisory": "GHSA-7f5h-v6xp-fcq8",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/Kludex/starlette/security/advisories/GHSA-7f5h-v6xp-fcq8",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2025-10-28T20:36:34.130234Z",
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"id": "CVE-2025-62727",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-10-28T20:36:49.189Z"
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}
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}
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]
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}
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} |