CVE-2021-29922

{"id": "CVE-2021-29922", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2021-08-07T17:15:06.907", "references": [{"url": "https://defcon.org/html/defcon-29/dc-29-speakers.html#kaoudis", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://doc.rust-lang.org/beta/std/net/struct.Ipv4Addr.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/rust-lang/rust/issues/83648", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/rust-lang/rust/pull/83652", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-015.md", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202210-09", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "library/std/src/net/parser.rs in Rust before 1.53.0 does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation."}, {"lang": "es", "value": "El archivo library/std/src/net/parser.rs en Rust versiones anteriores a 1.53.0, no considera apropiadamente los caracteres cero extra\u00f1os al principio de una cadena de direcciones IP, lo que (en algunas situaciones) permite a atacantes omitir el control de acceso que es basado en las direcciones IP, debido a una interpretaci\u00f3n octal inesperada"}], "lastModified": "2022-11-07T16:36:47.573", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "741A7D4B-BB43-4836-9065-A34AE6262038", "versionEndExcluding": "1.53.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}