Show plain JSON{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-7080", "assignerOrgId": "a22f1246-ba21-4bb4-a601-ad51614c1513", "state": "PUBLISHED", "assignerShortName": "cloudflare", "dateReserved": "2023-12-22T09:59:52.954Z", "datePublished": "2023-12-29T11:58:36.214Z", "dateUpdated": "2024-08-02T08:50:07.794Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageName": "wrangler", "platforms": ["Windows", "MacOS", "Linux"], "product": "wrangler", "repo": "https://github.com/cloudflare/workers-sdk", "vendor": "Cloudflare", "versions": [{"changes": [{"at": "3.19.0", "status": "unaffected"}], "lessThanOrEqual": "3.0.0", "status": "affected", "version": "0", "versionType": "patch"}, {"changes": [{"at": "3.19.0", "status": "unaffected"}], "lessThan": "3.19.0", "status": "affected", "version": "0", "versionType": "patch"}, {"changes": [{"at": "2.20.2", "status": "unaffected"}], "lessThanOrEqual": "2.0.0", "status": "affected", "version": "0", "versionType": "patch"}, {"changes": [{"at": "2.20.2", "status": "unaffected"}], "lessThan": "2.20.2", "status": "affected", "version": "0", "versionType": "patch"}]}], "credits": [{"lang": "en", "type": "reporter", "user": "00000000-0000-4000-9000-000000000000", "value": " Peter Wu (Lekensteyn)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The V8 inspector intentionally allows arbitrary code execution within the Workers sandbox for debugging. <b>wrangler dev</b> would previously start an inspector server listening on all network interfaces. This would allow an attacker on the local network to connect to the inspector and run arbitrary code. Additionally, the inspector server did not validate <b>Origin</b>/<b>Host</b> headers, granting an attacker that can trick any user on the local network into opening a malicious website the ability to run code. If <b>wrangler dev --remote</b> was being used, an attacker could access production resources if they were bound to the worker.<br><br>This issue was fixed in <b>wrangler@3.19.0</b> and <b>wrangler@2.20.2</b>. Whilst <b>wrangler dev</b>'s inspector server listens on local interfaces by default as of <b>wrangler@3.16.0</b>, an <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-fwvg-2739-22v7\">SSRF vulnerability in miniflare</a> (CVE-2023-7078) allowed access from the local network until <b>wrangler@3.18.0</b>. <b>wrangler@3.19.0</b> and <b>wrangler@2.20.2</b> introduced validation for the <b>Origin</b>/<b>Host</b> headers.<br>"}], "value": "The V8 inspector intentionally allows arbitrary code execution within the Workers sandbox for debugging. wrangler dev would previously start an inspector server listening on all network interfaces. This would allow an attacker on the local network to connect to the inspector and run arbitrary code. Additionally, the inspector server did not validate Origin/Host headers, granting an attacker that can trick any user on the local network into opening a malicious website the ability to run code. If wrangler dev --remote was being used, an attacker could access production resources if they were bound to the worker.\n\nThis issue was fixed in wrangler@3.19.0 and wrangler@2.20.2. Whilst wrangler dev's inspector server listens on local interfaces by default as of wrangler@3.16.0, an SSRF vulnerability in miniflare https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-fwvg-2739-22v7 \u00a0(CVE-2023-7078) allowed access from the local network until wrangler@3.18.0. wrangler@3.19.0 and wrangler@2.20.2 introduced validation for the Origin/Host headers.\n"}], "impacts": [{"capecId": "CAPEC-549", "descriptions": [{"lang": "en", "value": "CAPEC-549 Local Execution of Code"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "a22f1246-ba21-4bb4-a601-ad51614c1513", "shortName": "cloudflare", "dateUpdated": "2023-12-29T12:08:25.935Z"}, "references": [{"url": "https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-f8mp-x433-5wpf"}, {"url": "https://github.com/cloudflare/workers-sdk/issues/4430"}, {"url": "https://github.com/cloudflare/workers-sdk/pull/4437"}, {"url": "https://github.com/cloudflare/workers-sdk/pull/4535"}, {"url": "https://github.com/cloudflare/workers-sdk/pull/4550"}], "source": {"discovery": "INTERNAL"}, "title": "Arbitrary remote code execution within wrangler dev Workers sandbox", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unfortunately, Wrangler doesn't provide any configuration for which host that inspector server should listen on. Please upgrade to at least <b>wrangler@3.16.0</b>, and configure Wrangler to listen on local interfaces instead with <b>wrangler dev --ip 127.0.0.1</b> to prevent SSRF. This removes the local network as an attack vector, but does not prevent an attack from visiting a malicious website."}], "value": "Unfortunately, Wrangler doesn't provide any configuration for which host that inspector server should listen on. Please upgrade to at least wrangler@3.16.0, and configure Wrangler to listen on local interfaces instead with wrangler dev --ip 127.0.0.1 to prevent SSRF. This removes the local network as an attack vector, but does not prevent an attack from visiting a malicious website."}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T08:50:07.794Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-f8mp-x433-5wpf", "tags": ["x_transferred"]}, {"url": "https://github.com/cloudflare/workers-sdk/issues/4430", "tags": ["x_transferred"]}, {"url": "https://github.com/cloudflare/workers-sdk/pull/4437", "tags": ["x_transferred"]}, {"url": "https://github.com/cloudflare/workers-sdk/pull/4535", "tags": ["x_transferred"]}, {"url": "https://github.com/cloudflare/workers-sdk/pull/4550", "tags": ["x_transferred"]}]}]}}