{ "CVE_data_meta": { "ASSIGNER": "cna@cloudflare.com", "DATE_PUBLIC": "2021-11-01T22:16:00.000Z", "ID": "CVE-2021-3907", "STATE": "PUBLIC", "TITLE": "Arbitrary filepath traversal via URI injection" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "octorpki", "version": { "version_data": [ { "version_affected": "<", "version_value": "1.4.0" } ] } } ] }, "vendor_name": "Cloudflare" } ] } }, "credit": [ { "lang": "eng", "value": "Koen van Hove" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "OctoRPKI does not escape a URI with a filename containing \"..\", this allows a repository to create a file, (ex. rsync://example.org/repo/../../etc/cron.daily/evil.roa), which would then be written to disk outside the base cache folder. This could allow for remote code execution on the host machine OctoRPKI is running on." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-20 Improper Input Validation" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fh", "name": "https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fh" }, { "refsource": "DEBIAN", "name": "DSA-5033", "url": "https://www.debian.org/security/2021/dsa-5033" }, { "refsource": "DEBIAN", "name": "DSA-5041", "url": "https://www.debian.org/security/2022/dsa-5041" } ] }, "solution": [ { "lang": "eng", "value": "Upgrade to 1.4" } ], "source": { "discovery": "EXTERNAL" } }