{"id":"CVE-2023-28465","aliases":["EUVD-2023-0960","GHSA-9654-pr4f-gh6m"],"status":"published","title":"HL7 FHIR Partial Path Zip Slip due to bypass of CVE-2023-24057","description":"The package-decompression feature in HL7 (Health Level 7) FHIR Core Libraries before 5.6.106 allows attackers to copy arbitrary files to certain directories via directory traversal, if an allowed directory name is a substring of the directory name chosen by the attacker. NOTE: this issue exists because of an incomplete fix for CVE-2023-24057.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.013,"percentile":0.70654,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-22"],"published":"2023-03-10T22:15:55Z","modified":"2026-10-28T02:30:50Z","exploits":[{"source":"pocgithub","id":"shoucheng3/hapifhir__org_hl7_fhir_core_CVE-2023-28465_5-6-1055","title":"shoucheng3/hapifhir__org_hl7_fhir_core_CVE-2023-28465_5-6-1055","date":"2025-08-17","url":"https://github.com/shoucheng3/hapifhir__org_hl7_fhir_core_CVE-2023-28465_5-6-1055"}],"fixes":[{"ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.core","fixed_in":["5.6.106"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.convertors","fixed_in":["5.6.106"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.r4b","fixed_in":["5.6.106"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.r5","fixed_in":["5.6.106"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.utilities","fixed_in":["5.6.106"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.validation","fixed_in":["5.6.106"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.106"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.convertors","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.106"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.r4b","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.106"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.r5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.106"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.utilities","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.106"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.validation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.106"}]}]},{"source":"osv","ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.106"}]}],"versions":["0.0.1","0.0.14","0.0.2","0.1.14","0.1.18","1.0.0","1.1.67","4.0.0","4.0.1","4.0.2","4.0.3","4.1.0","4.2.0","5.0.0","5.0.10","5.0.11","5.0.12","5.0.14","5.0.15","5.0.16","5.0.17","5.0.18","5.0.19","5.0.20","5.0.21","5.0.22","5.0.7","5.0.8","5.0.9","5.1.0","5.1.1","5.1.10","5.1.11","5.1.12","5.1.13","5.1.14","5.1.15","5.1.16","5.1.17","5.1.18","5.1.19","5.1.2","5.1.20","5.1.21","5.1.22","5.1.3","5.1.4","5.1.5","5.1.6","5.1.7","5.1.8","5.1.9","5.2.0","5.2.1","5.2.10","5.2.11","5.2.12","5.2.13","5.2.16","5.2.18","5.2.19","5.2.20","5.2.3","5.2.4","5.2.5","5.2.7","5.2.8","5.2.9","5.3.0","5.3.1","5.3.10","5.3.11","5.3.12","5.3.14","5.3.2","5.3.3","5.3.4","5.3.5","5.3.6","5.3.7","5.3.8","5.3.9","5.4.0","5.4.1","5.4.10","5.4.11","5.4.12","5.4.2","5.4.3","5.4.4","5.4.5","5.4.6","5.4.7","5.4.8","5.4.9","5.5.1","5.5.10","5.5.11","5.5.12","5.5.13","5.5.14","5.5.15","5.5.16","5.5.2","5.5.3","5.5.4","5.5.6","5.5.7","5.5.8","5.5.9","5.6.0","5.6.1","5.6.100","5.6.101","5.6.102","5.6.103","5.6.104","5.6.105","5.6.12","5.6.13","5.6.15","5.6.17","5.6.18","5.6.19","5.6.2","5.6.20","5.6.21","5.6.22","5.6.23","5.6.24","5.6.25","5.6.26","5.6.27","5.6.28","5.6.29","5.6.3","5.6.30","5.6.31","5.6.32","5.6.33","5.6.34","5.6.35","5.6.36","5.6.37","5.6.38","5.6.39","5.6.4","5.6.40","5.6.41","5.6.42","5.6.43","5.6.44","5.6.45","5.6.46","5.6.47","5.6.48","5.6.5","5.6.50","5.6.51","5.6.52","5.6.53","5.6.54","5.6.55","5.6.56","5.6.57","5.6.58","5.6.59","5.6.6","5.6.60","5.6.61","5.6.62","5.6.63","5.6.64","5.6.65","5.6.66","5.6.67","5.6.68","5.6.69","5.6.7","5.6.70","5.6.71","5.6.72","5.6.73","5.6.74","5.6.75","5.6.76","5.6.77","5.6.78","5.6.79","5.6.80","5.6.81","5.6.82","5.6.83","5.6.84","5.6.85","5.6.86","5.6.87","5.6.88","5.6.89","5.6.9","5.6.90","5.6.91","5.6.92","5.6.93","5.6.94","5.6.95","5.6.96","5.6.97","5.6.98","5.6.99"]},{"source":"osv","ecosystem":"Maven","package":"ca.uhn.hapi.fhir:org.hl7.fhir.convertors","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.106"}]}],"versions":["0.0.1","0.0.14","0.0.2","0.1.18","1.0.0","1.1.67","4.0.0","4.0.1","4.0.2","4.0.3","4.1.0","4.2.0","5.0.0","5.0.10","5.0.11","5.0.12","5.0.13","5.0.14","5.0.15","5.0.16","5.0.17","5.0.18","5.0.19","5.0.20","5.0.21","5.0.22","5.0.7","5.0.8","5.0.9","5.1.0","5.1.1","5.1.10","5.1.11","5.1.12","5.1.13","5.1.14","5.1.15","5.1.16","5.1.17","5.1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Link","article","web"]},{"url":"https://www.smilecdr.com/our-blog","tags":["x_transferred","Not Applicable","article","web"]},{"url":"https://github.com/advisories/GHSA-9654-pr4f-gh6m","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-9654-pr4f-gh6m","tags":["web"]},{"url":"https://github.com/hapifhir/org.hl7.fhir.core/blob/b0daf666725fa14476d147522155af1e81922aac/org.hl7.fhir.r4b/src/main/java/org/hl7/fhir/r4b/terminologies/TerminologyCacheManager.java#L99-L105","tags":["web"]},{"url":"https://github.com/hapifhir/org.hl7.fhir.core/releases/tag/5.6.106","tags":["web"]},{"url":"https://github.com/hapifhir/org.hl7.fhir.core/pull/1162","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28465","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28465.json","tags":["advisory"]},{"url":"https://github.com/hapifhir/org.hl7.fhir.core","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-28465","description":"The package-decompression feature in HL7 (Health Level 7) FHIR Core Libraries before 5.6.106 allows attackers to copy arbitrary files to certain directories via directory traversal, if an allowed directory name is a substring of the directory name chosen by the attacker. NOTE: this issue exists because of an incomplete fix for CVE-2023-24057.","status":"published","published":"2023-12-12T00:00:00Z","modified":"2025-05-27T14:31:25.217Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-0960","description":"The package-decompression feature in HL7 (Health Level 7) FHIR Core Libraries before 5.6.106 allows attackers to copy arbitrary files to certain directories via directory traversal, if an allowed directory name is a substring of the directory name chosen by the attacker. NOTE: this issue exists because of an incomplete fix for CVE-2023-24057.","status":"published","published":"2023-12-12T00:00:00Z","modified":"2025-05-27T14:31:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:32:38.348652Z"}],"ghsa":[{"id":"GHSA-9654-pr4f-gh6m","title":"HL7 FHIR Partial Path Zip Slip due to bypass of CVE-2023-24057","description":"### Impact\n\nZip Slip protections implemented in CVE-2023-24057 (GHSA-jqh6-9574-5x22) can be bypassed due a partial path traversal vulnerability.\n\nThis issue allows a malicious actor to potentially break out of the `TerminologyCacheManager` cache directory. The impact is limited to sibling directories.\n\nTo demonstrate the vulnerability, consider `userControlled.getCanonicalPath().startsWith(\"/usr/out\")` will allow an attacker to access a directory with a name like `/usr/outnot`. \n\n### Why?\n\nTo demonstrate this vulnerability, consider `\"/usr/outnot\".startsWith(\"/usr/out\")`.\nThe check is bypassed although `/outnot` is not under the `/out` directory.\nIt's important to understand that the terminating slash may be removed when using various `String` representations of the `File` object.\nFor example, on Linux, `println(new File(\"/var\"))` will print `/var`, but `println(new File(\"/var\", \"/\")` will print `/var/`;\nhowever, `println(new File(\"/var\", \"/\").getCanonicalPath())` will print `/var`.\n\n### The Fix\n\nComparing paths with the `java.nio.files.Path#startsWith` will adequately protect againts this vulnerability.\n\nFor example: `file.getCanonicalFile().toPath().startsWith(BASE_DIRECTORY)` or `file.getCanonicalFile().toPath().startsWith(BASE_DIRECTORY_FILE.getCanonicalFile().toPath())`\n\n### Other Examples\n\n - [CVE-2022-31159](https://github.com/aws/aws-sdk-java/security/advisories/GHSA-c28r-hw5m-5gv3) - aws/aws-sdk-java\n - [CVE-2022-23457](https://securitylab.github.com/advisories/GHSL-2022-008_The_OWASP_Enterprise_Security_API/) - ESAPI/esapi-java-legacy\n\n### Vulnerability\n\nhttps://github.com/hapifhir/org.hl7.fhir.core/blob/b0daf666725fa14476d147522155af1e81922aac/org.hl7.fhir.r4b/src/main/java/org/hl7/fhir/r4b/terminologies/TerminologyCacheManager.java#L99-L105\n\nWhile `getAbsolutePath` will return a normalized path, because the string `path` is not slash terminated, the guard can be bypassed to write the contents of the Zip file to a sibling directory of the cache directory.\n\n### Patches\nAll org.hl7.fhir.core libraries should be updated to 5.6.106.\n - https://github.com/hapifhir/org.hl7.fhir.core/pull/1162\n\n### Workarounds\nUnknown\n\n### References\n* https://snyk.io/research/zip-slip-vulnerability\n","status":"published","published":"2023-03-10T22:15:55Z","modified":"2023-12-15T22:19:59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:37:26.727664Z"}],"nvd":[{"id":"CVE-2023-28465","description":"The package-decompression feature in HL7 (Health Level 7) FHIR Core Libraries before 5.6.106 allows attackers to copy arbitrary files to certain directories via directory traversal, if an allowed directory name is a substring of the directory name chosen by the attacker. NOTE: this issue exists because of an incomplete fix for CVE-2023-24057.","status":"published","published":"2023-12-12T17:15:07.77Z","modified":"2026-06-17T05:47:47.967Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:08:54.010507Z"}],"osv":[{"id":"CVE-2023-28465","description":"The package-decompression feature in HL7 (Health Level 7) FHIR Core Libraries before 5.6.106 allows attackers to copy arbitrary files to certain directories via directory traversal, if an allowed directory name is a substring of the directory name chosen by the attacker. NOTE: this issue exists because of an incomplete fix for CVE-2023-24057.","status":"published","published":"2023-12-12T00:00:00Z","modified":"2026-10-28T02:30:50.705859118Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:31.468318Z"},{"id":"GHSA-9654-pr4f-gh6m","title":"HL7 FHIR Partial Path Zip Slip due to bypass of CVE-2023-24057","description":"### Impact\n\nZip Slip protections implemented in CVE-2023-24057 (GHSA-jqh6-9574-5x22) can be bypassed due a partial path traversal vulnerability.\n\nThis issue allows a malicious actor to potentially break out of the `TerminologyCacheManager` cache directory. The impact is limited to sibling directories.\n\nTo demonstrate the vulnerability, consider `userControlled.getCanonicalPath().startsWith(\"/usr/out\")` will allow an attacker to access a directory with a name like `/usr/outnot`. \n\n### Why?\n\nTo demonstrate this vulnerability, consider `\"/usr/outnot\".startsWith(\"/usr/out\")`.\nThe check is bypassed although `/outnot` is not under the `/out` directory.\nIt's important to understand that the terminating slash may be removed when using various `String` representations of the `File` object.\nFor example, on Linux, `println(new File(\"/var\"))` will print `/var`, but `println(new File(\"/var\", \"/\")` will print `/var/`;\nhowever, `println(new File(\"/var\", \"/\").getCanonicalPath())` will print `/var`.\n\n### The Fix\n\nComparing paths with the `java.nio.files.Path#startsWith` will adequately protect againts this vulnerability.\n\nFor example: `file.getCanonicalFile().toPath().startsWith(BASE_DIRECTORY)` or `file.getCanonicalFile().toPath().startsWith(BASE_DIRECTORY_FILE.getCanonicalFile().toPath())`\n\n### Other Examples\n\n - [CVE-2022-31159](https://github.com/aws/aws-sdk-java/security/advisories/GHSA-c28r-hw5m-5gv3) - aws/aws-sdk-java\n - [CVE-2022-23457](https://securitylab.github.com/advisories/GHSL-2022-008_The_OWASP_Enterprise_Security_API/) - ESAPI/esapi-java-legacy\n\n### Vulnerability\n\nhttps://github.com/hapifhir/org.hl7.fhir.core/blob/b0daf666725fa14476d147522155af1e81922aac/org.hl7.fhir.r4b/src/main/java/org/hl7/fhir/r4b/terminologies/TerminologyCacheManager.java#L99-L105\n\nWhile `getAbsolutePath` will return a normalized path, because the string `path` is not slash terminated, the guard can be bypassed to write the contents of the Zip file to a sibling directory of the cache directory.\n\n### Patches\nAll org.hl7.fhir.core libraries should be updated to 5.6.106.\n - https://github.com/hapifhir/org.hl7.fhir.core/pull/1162\n\n### Workarounds\nUnknown\n\n### References\n* https://snyk.io/research/zip-slip-vulnerability\n","status":"published","published":"2023-03-10T22:15:55Z","modified":"2026-07-08T06:29:15.854257898Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:43.123867Z"}]}}