CVE-2021-46102

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:solanalabs:rbpf:*:*:*:*:*:*:*:*", "matchCriteriaId": "91E274CF-612E-48D1-BE5F-3337EA6C15EF", "versionEndIncluding": "0.2.16", "versionStartIncluding": "0.2.14", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "From version 0.2.14 to 0.2.16 for Solana rBPF, function \"relocate\" in the file src/elf.rs has an integer overflow bug because the sym.st_value is read directly from ELF file without checking. If the sym.st_value is rather large, an integer overflow is triggered while calculating the variable \"addr\" via \"addr = (sym.st_value + refd_pa) as u64\";"}, {"lang": "es", "value": "De la versi\u00f3n 0.2.14 a 0.2.16 para Solana rBPF, la funci\u00f3n \"relocate\" en el archivo src/elf.rs presenta un bug de desbordamiento de enteros porque el sym.st_value es le\u00eddo directamente del archivo ELF sin comprobarlo. Si el sym.st_value es bastante grande, es producido un desbordamiento de enteros mientras es calculada la variable \"addr\" por medio de \"addr = (sym.st_value + refd_pa) as u64\""}], "id": "CVE-2021-46102", "lastModified": "2026-06-17T04:14:32.753", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-27T18:15:07.770", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blocksecteam.medium.com/new-integer-overflow-bug-discovered-in-solana-rbpf-7729717159ee"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/solana-labs/rbpf/blob/c14764850f0b83b58aa013248eaf6d65836c1218/src/elf.rs#L609-L630"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/solana-labs/rbpf/pull/200"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/solana-labs/rbpf/pull/236"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blocksecteam.medium.com/new-integer-overflow-bug-discovered-in-solana-rbpf-7729717159ee"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/solana-labs/rbpf/blob/c14764850f0b83b58aa013248eaf6d65836c1218/src/elf.rs#L609-L630"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/solana-labs/rbpf/pull/200"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/solana-labs/rbpf/pull/236"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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