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websafe-kb/08-threat-intel/registry/advisories/spring-boot--CVE-2022-27772.json
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2026-03-21 18:18:55 -07:00

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{
"canonical_id": "spring-boot--CVE-2022-27772",
"system_id": "spring-boot",
"display_name": "Spring Boot",
"category": "frameworks",
"advisory_mode": "core",
"title": "Temporary Directory Hijacking to Local Privilege Escalation Vulnerability in org.springframework.boot:spring-boot",
"summary": "spring-boot versions prior to version `v2.2.11.RELEASE` was vulnerable to temporary directory hijacking. This vulnerability impacted the `org.springframework.boot.web.server.AbstractConfigurableWebServerFactory.createTempDir` method.\n\nThe vulnerable method is used to create a work directory for embedded web servers such as Tomcat and Jetty. The directory contains configuration files, JSP/class files, etc. If a local attacker got the permission to write in this directory, they could completely take over the application (ie. local privilege escalation).\n\n#### Impact Location\n\nThis vulnerability impacted the following source location:\n\n```java\n\t/**\n\t * Return the absolute temp dir for given web server.\n\t * @param prefix server name\n\t * @return the temp dir for given server.\n\t */\n\tprotected final File createTempDir(String prefix) {\n\t\ttry {\n\t\t\tFile tempDir = File.createTempFile(prefix + \".\", \".\" + getPort());\n\t\t\ttempDir.delete();\n\t\t\ttempDir.mkdir();\n\t\t\ttempDir.deleteOnExit();\n\t\t\treturn tempDir;\n\t\t}\n```\n\\- https://github.com/spring-projects/spring-boot/blob/ce70e7d768977242a8ea6f93188388f273be5851/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/server/AbstractConfigurableWebServerFactory.java#L165-L177\n\nThis vulnerability exists because `File.mkdir` returns `false` when it fails to create a directory, it does not throw an exception. As such, the following race condition exists:\n\n```java\nFile tmpDir =File.createTempFile(prefix + \".\", \".\" + getPort()); // Attacker knows the full path of the file that will be generated\n// delete the file that was created\ntmpDir.delete(); // Attacker sees file is deleted and begins a race to create their own directory before Jetty.\n// and make a directory of the same name\n// SECURITY VULNERABILITY: Race Condition! - Attacker beats java code and now owns this directory\ntmpDir.mkdirs(); // This method returns 'false' because it was unable to create the directory. No exception is thrown.\n// Attacker can write any new files to this directory that they wish.\n// Attacker can read any files created by this process.\n```\n\n### Prerequisites\n\nThis vulnerability impacts Unix-like systems, and very old versions of Mac OSX and Windows as they all share the system temporary directory between all users.\n\n### Patches\n\nThis vulnerability was inadvertently fixed as a part of this patch: https://github.com/spring-projects/spring-boot/commit/667ccdae84822072f9ea1a27ed5c77964c71002d\n\nThis vulnerability is patched in versions `v2.2.11.RELEASE` or later.\n\n### Workarounds\n\nSetting the `java.io.tmpdir` system environment variable to a directory that is exclusively owned by the executing user will fix this vulnerability for all operating systems.",
"published_at": "2022-07-11T20:59:02Z",
"updated_at": "2026-03-13T21:59:19.426456Z",
"severity": "low",
"cvss_score": 3.1,
"exploit_status": "unknown",
"source_confidence": "ecosystem-authority",
"official_source_url": "https://github.com/JLLeitschuh/security-research/security/advisories/GHSA-cm59-pr5q-cw85",
"secondary_source_urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2022-27772",
"https://github.com/spring-projects/spring-boot/commit/667ccdae84822072f9ea1a27ed5c77964c71002d",
"https://github.com/spring-projects/spring-boot"
],
"aliases": [
"CVE-2022-27772",
"GHSA-cm59-pr5q-cw85"
],
"cve_ids": [
"CVE-2022-27772"
],
"ghsa_ids": [
"GHSA-cm59-pr5q-cw85"
],
"osv_ids": [
"GHSA-cm59-pr5q-cw85"
],
"affected_versions": [
"1.0.0.RELEASE",
"1.0.1.RELEASE",
"1.0.2.RELEASE",
"1.1.0.RELEASE",
"1.1.1.RELEASE",
"1.1.10.RELEASE",
"1.1.11.RELEASE",
"1.1.12.RELEASE",
"1.1.2.RELEASE",
"1.1.3.RELEASE",
"1.1.4.RELEASE",
"1.1.5.RELEASE",
"1.1.6.RELEASE",
"1.1.7.RELEASE",
"1.1.8.RELEASE",
"1.1.9.RELEASE",
"1.2.0.RELEASE",
"1.2.1.RELEASE",
"1.2.2.RELEASE",
"1.2.3.RELEASE",
"introduced=0, fixed<2.2.11.RELEASE"
],
"fixed_versions": [
"2.2.11.RELEASE"
],
"package_name": "org.springframework.boot:spring-boot",
"render_markdown": true,
"case_path": "07-framework-security/frameworks/spring-boot/cases/spring-boot-cve-2022-27772.md",
"secure_code_topics": [
"proxy-trust-boundary",
"authz-server-side-recheck"
],
"status": "generated",
"triage_reasons": [],
"entity_refs": [
{
"entity_id": "spring-boot",
"entity_type": "system",
"relation": "root-system",
"root_system_id": "spring-boot",
"official": true
},
{
"entity_id": "spring-boot--project--org-springframework-boot-spring-boot",
"entity_type": "project",
"relation": "affected-component",
"root_system_id": "spring-boot",
"official": false
}
],
"affected_components": [
{
"name": "org.springframework.boot:spring-boot",
"entity_id": "spring-boot--project--org-springframework-boot-spring-boot",
"scope": "package",
"package_name": "org.springframework.boot:spring-boot",
"official": false
}
],
"affected_version_ranges": [
"1.0.0.RELEASE",
"1.0.1.RELEASE",
"1.0.2.RELEASE",
"1.1.0.RELEASE",
"1.1.1.RELEASE",
"1.1.10.RELEASE",
"1.1.11.RELEASE",
"1.1.12.RELEASE",
"1.1.2.RELEASE",
"1.1.3.RELEASE",
"1.1.4.RELEASE",
"1.1.5.RELEASE",
"1.1.6.RELEASE",
"1.1.7.RELEASE",
"1.1.8.RELEASE",
"1.1.9.RELEASE",
"1.2.0.RELEASE",
"1.2.1.RELEASE",
"1.2.2.RELEASE",
"1.2.3.RELEASE",
"introduced=0, fixed<2.2.11.RELEASE"
],
"fixed_version_ranges": [
"2.2.11.RELEASE"
],
"introduced_version": "introduced=0, fixed<2.2.11.RELEASE",
"patched_version": "2.2.11.RELEASE",
"version_evidence_sources": [
"https://github.com/JLLeitschuh/security-research/security/advisories/GHSA-cm59-pr5q-cw85",
"https://nvd.nist.gov/vuln/detail/CVE-2022-27772",
"https://github.com/spring-projects/spring-boot/commit/667ccdae84822072f9ea1a27ed5c77964c71002d",
"https://github.com/spring-projects/spring-boot"
],
"affected_version_refs": [
"spring-boot--project--org-springframework-boot-spring-boot--1-0-0-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-0-1-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-0-2-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-0-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-1-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-10-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-11-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-12-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-2-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-3-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-4-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-5-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-6-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-7-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-8-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-1-9-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-2-0-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-2-1-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-2-2-release",
"spring-boot--project--org-springframework-boot-spring-boot--1-2-3-release",
"spring-boot--project--org-springframework-boot-spring-boot--introduced-0-fixed-2-2-11-release"
],
"fixed_version_refs": [
"spring-boot--project--org-springframework-boot-spring-boot--2-2-11-release"
],
"patched_version_refs": [
"spring-boot--project--org-springframework-boot-spring-boot--2-2-11-release"
],
"version_sync_confidence": "high",
"advisory_scope": "package",
"version_confidence": "high",
"version_gap_reason": "",
"version_resolution_needed": false,
"workflow": {
"workflow_id": "spring-boot--CVE-2022-27772--workflow",
"vuln_family": "proxy-boundary",
"entry_surface": "proxy-header-or-trust-boundary",
"preconditions": [
"\u4ec5\u5728 lab-local\u3001lab-public \u6216\u660e\u786e\u6388\u6743\u76ee\u6807\u4e2d\u6267\u884c\u3002",
"\u786e\u8ba4\u76ee\u6807\u547d\u4e2d\u7248\u672c\u65ad\u8a00: 1.0.0.RELEASE, 1.0.1.RELEASE, 1.0.2.RELEASE",
"\u82e5\u5bf9\u8c61\u5c5e\u4e8e `package`\uff0c\u5148\u786e\u8ba4\u6269\u5c55/\u4ed3\u5e93/\u5305\u5df2\u542f\u7528\u5e76\u5904\u4e8e\u53d7\u5f71\u54cd\u7248\u672c\u3002"
],
"required_role": "reverse-proxy-or-edge-client",
"affected_version_assertion": [
"1.0.0.RELEASE",
"1.0.1.RELEASE",
"1.0.2.RELEASE",
"1.1.0.RELEASE",
"1.1.1.RELEASE",
"1.1.10.RELEASE",
"1.1.11.RELEASE",
"1.1.12.RELEASE",
"1.1.2.RELEASE",
"1.1.3.RELEASE",
"1.1.4.RELEASE",
"1.1.5.RELEASE",
"1.1.6.RELEASE",
"1.1.7.RELEASE",
"1.1.8.RELEASE",
"1.1.9.RELEASE",
"1.2.0.RELEASE",
"1.2.1.RELEASE",
"1.2.2.RELEASE",
"1.2.3.RELEASE",
"introduced=0, fixed<2.2.11.RELEASE"
],
"trigger_vector": "\u5bf9 `proxy-boundary` \u5bb6\u65cf\u5165\u53e3\u6295\u9012\u6700\u5c0f\u5316\u3001\u53ef\u5ba1\u8ba1\u3001\u53ef\u56de\u6eda\u7684\u53d7\u63a7\u8f93\u5165\uff0c\u6bd4\u8f83\u4fee\u590d\u524d\u540e\u5dee\u5f02\u3002",
"request_or_ui_path": [
"/middleware",
"/x-forwarded-* trust path"
],
"input_shape": "\u63d0\u4ea4\u53d7\u63a7\u4ee3\u7406\u5934\u6216\u6765\u6e90\u5934\uff0c\u9a8c\u8bc1\u4fe1\u4efb\u8fb9\u754c\u548c\u56de\u6e90\u9274\u6743\u3002",
"expected_unsafe_behavior": "\u4ec5\u51ed\u4ee3\u7406\u5934\u5373\u53ef\u8d8a\u8fc7\u9274\u6743\u6216\u6765\u6e90\u63a7\u5236\u3002",
"server_evidence_points": [
"\u5e94\u7528\u65e5\u5fd7\u4e2d\u7684\u547d\u4e2d\u8def\u5f84\u3001\u9274\u6743\u51b3\u7b56\u548c\u5f02\u5e38\u6808",
"\u53cd\u5411\u4ee3\u7406\u6216\u8fb9\u754c\u5c42\u65e5\u5fd7\u4e2d\u7684\u8bf7\u6c42\u5934\u3001\u6765\u6e90 IP \u4e0e\u8def\u7531\u51b3\u7b56"
],
"browser_evidence_points": [
"\u57fa\u7ebf\u622a\u56fe\u4e0e\u653b\u51fb\u540e\u622a\u56fe\u7684 DOM/\u89c6\u89c9\u5dee\u5f02",
"console\u3001network \u4e0e response metadata \u4e2d\u7684\u5f02\u5e38\u4fe1\u53f7"
],
"db_or_fs_evidence_points": [
"\u6570\u636e\u5e93\u4e2d\u65b0\u589e/\u8d8a\u6743\u8bfb\u53d6\u7684\u6d4b\u8bd5\u6570\u636e",
"\u6587\u4ef6\u7cfb\u7edf\u4e2d\u65b0\u589e\u4e0a\u4f20\u6837\u672c\u3001\u7f13\u5b58\u6761\u76ee\u6216\u8d8a\u6743\u8bfb\u53d6\u75d5\u8ff9"
],
"detection_signals": [
"WAF / reverse proxy \u5f02\u5e38\u65e5\u5fd7\u3001\u8bbf\u95ee\u65e5\u5fd7\u548c\u544a\u8b66",
"\u5e94\u7528\u5ba1\u8ba1\u65e5\u5fd7\u4e2d\u7684\u6743\u9650\u9519\u8bef\u3001\u91cd\u5b9a\u5411\u5f02\u5e38\u3001\u6a21\u677f\u6e32\u67d3\u6216\u4e0a\u4f20\u843d\u76d8\u4e8b\u4ef6",
"\u4e0a\u6e38\u4ee3\u7406\u4e0e\u5e94\u7528\u5c42\u5bf9 Content-Length / Transfer-Encoding / forwarded headers \u7684\u89e3\u91ca\u5dee\u5f02"
],
"mitigation_summary": "\u4f18\u5148\u5347\u7ea7\u5230\u4fee\u590d\u7248\u672c\uff0c\u5e76\u540c\u65f6\u6536\u7d27\u8f93\u5165\u6821\u9a8c\u3001\u670d\u52a1\u7aef\u9274\u6743\u3001\u4ee3\u7406\u4fe1\u4efb\u8fb9\u754c\u3001\u6269\u5c55\u5b89\u88c5\u4fe1\u4efb\u548c\u5ba1\u8ba1\u65e5\u5fd7\u3002",
"patch_validation_steps": [
"\u786e\u8ba4\u76ee\u6807\u7248\u672c\u4ece `1.0.0.RELEASE, 1.0.1.RELEASE, 1.0.2.RELEASE` \u5347\u7ea7\u6216\u56de\u79fb\u5230 `2.2.11.RELEASE`\u3002",
"\u4fdd\u7559\u540c\u4e00\u7ec4\u53d7\u63a7\u8f93\u5165\uff0c\u5728\u4fee\u590d\u524d\u540e\u5206\u522b\u6267\u884c\u5e76\u6bd4\u5bf9\u54cd\u5e94\u3001\u65e5\u5fd7\u4e0e\u6d4f\u89c8\u5668\u8bc1\u636e\u3002",
"\u786e\u8ba4\u4fee\u590d\u540e\u4ec5\u4fdd\u7559\u9884\u671f\u4e1a\u52a1\u884c\u4e3a\uff0c\u4e0d\u518d\u89e6\u53d1\u8d8a\u6743\u3001\u56de\u663e\u3001\u5f02\u5e38\u6e32\u67d3\u6216\u9519\u8bef\u8bf7\u6c42\u3002",
"\u8865\u5145 `proxy-boundary` \u65cf\u81ea\u52a8\u5316\u56de\u5f52\uff0c\u907f\u514d\u540c\u7c7b\u8def\u5f84\u5728\u63d2\u4ef6\u3001\u4e3b\u9898\u6216\u4ee3\u7406\u94fe\u4e2d\u56de\u5f52\u3002"
],
"lab_safety_notes": [
"\u53ea\u4f7f\u7528\u56de\u73af\u5730\u5740\u3001\u54e8\u5175\u76ee\u6807\u3001\u65e0\u5bb3\u6837\u672c\u6216\u53ef\u56de\u6eda\u6d4b\u8bd5\u6570\u636e\u3002",
"\u7981\u6b62\u9020\u6210\u6301\u4e45\u7834\u574f\u3001\u8d8a\u6743\u4e0b\u8f7d\u771f\u5b9e\u6570\u636e\u6216\u4e0d\u53ef\u56de\u6eda side effect\u3002",
"\u5982\u9700\u6d4f\u89c8\u5668\u8bc1\u636e\uff0c\u4fdd\u7559 baseline / proof \u4e24\u4efd\u5feb\u7167\u4ee5\u53ca console / network \u8bb0\u5f55\u3002"
],
"review_state": "ready"
},
"verification_status": "triage-manual",
"verification_mode": "synthetic",
"last_verified_at": null,
"last_run_id": null,
"evidence_bundle": null,
"historical_status": null,
"latest_status": null,
"browser_evidence": {
"required": false,
"present": false,
"refs": []
},
"repro_profile_id": "authz-bypass-generic",
"artifact_mode": "synthetic",
"blocked_reason": null,
"metadata": {
"source_names": [
"OSV Spring Boot"
],
"source_kinds": [
"osv-batch"
],
"candidate_count": 1,
"entity_ref_count": 2,
"advisory_scope": "package",
"version_confidence": "high",
"workflow_id": "spring-boot--CVE-2022-27772--workflow"
}
}
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