{ "containers": { "cna": { "affected": [ { "product": "Nanopb", "vendor": "nanopb", "versions": [ { "status": "affected", "version": "< 0.2.9.4" }, { "status": "affected", "version": ">= 0.3.0, < 0.3.9.5" }, { "status": "affected", "version": ">= 0.4.0, < 0.4.1" } ] } ], "descriptions": [ { "lang": "en", "value": "There is a potentially exploitable out of memory condition In Nanopb before 0.4.1, 0.3.9.5, and 0.2.9.4. When nanopb is compiled with PB_ENABLE_MALLOC, the message to be decoded contains a repeated string, bytes or message field and realloc() runs out of memory when expanding the array nanopb can end up calling `free()` on a pointer value that comes from uninitialized memory. Depending on platform this can result in a crash or further memory corruption, which may be exploitable in some cases. This problem is fixed in nanopb-0.4.1, nanopb-0.3.9.5, nanopb-0.2.9.4." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-125", "description": "CWE-125: Out-of-bounds Read", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2020-02-04T03:00:18.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/nanopb/nanopb/security/advisories/GHSA-gcx3-7m76-287p" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/nanopb/nanopb/commit/45582f1f97f49e2abfdba1463d1e1027682d9856" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/nanopb/nanopb/commit/7b396821ddd06df8e39143f16e1dc0a4645b89a3" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/nanopb/nanopb/commit/aa9d0d1ca78d6adec3adfeecf3a706c7f9df81f2" } ], "source": { "advisory": "GHSA-gcx3-7m76-287p", "discovery": "UNKNOWN" }, "title": "Out-of-memory condition in Nanopb is potentially exploitable", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-5235", "STATE": "PUBLIC", "TITLE": "Out-of-memory condition in Nanopb is potentially exploitable" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Nanopb", "version": { "version_data": [ { "version_value": "< 0.2.9.4" }, { "version_value": ">= 0.3.0, < 0.3.9.5" }, { "version_value": ">= 0.4.0, < 0.4.1" } ] } } ] }, "vendor_name": "nanopb" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "There is a potentially exploitable out of memory condition In Nanopb before 0.4.1, 0.3.9.5, and 0.2.9.4. When nanopb is compiled with PB_ENABLE_MALLOC, the message to be decoded contains a repeated string, bytes or message field and realloc() runs out of memory when expanding the array nanopb can end up calling `free()` on a pointer value that comes from uninitialized memory. Depending on platform this can result in a crash or further memory corruption, which may be exploitable in some cases. This problem is fixed in nanopb-0.4.1, nanopb-0.3.9.5, nanopb-0.2.9.4." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-125: Out-of-bounds Read" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/nanopb/nanopb/security/advisories/GHSA-gcx3-7m76-287p", "refsource": "CONFIRM", "url": "https://github.com/nanopb/nanopb/security/advisories/GHSA-gcx3-7m76-287p" }, { "name": "https://github.com/nanopb/nanopb/commit/45582f1f97f49e2abfdba1463d1e1027682d9856", "refsource": "MISC", "url": "https://github.com/nanopb/nanopb/commit/45582f1f97f49e2abfdba1463d1e1027682d9856" }, { "name": "https://github.com/nanopb/nanopb/commit/7b396821ddd06df8e39143f16e1dc0a4645b89a3", "refsource": "MISC", "url": "https://github.com/nanopb/nanopb/commit/7b396821ddd06df8e39143f16e1dc0a4645b89a3" }, { "name": "https://github.com/nanopb/nanopb/commit/aa9d0d1ca78d6adec3adfeecf3a706c7f9df81f2", "refsource": "MISC", "url": "https://github.com/nanopb/nanopb/commit/aa9d0d1ca78d6adec3adfeecf3a706c7f9df81f2" } ] }, "source": { "advisory": "GHSA-gcx3-7m76-287p", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:22:09.040Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/nanopb/nanopb/security/advisories/GHSA-gcx3-7m76-287p" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/nanopb/nanopb/commit/45582f1f97f49e2abfdba1463d1e1027682d9856" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/nanopb/nanopb/commit/7b396821ddd06df8e39143f16e1dc0a4645b89a3" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/nanopb/nanopb/commit/aa9d0d1ca78d6adec3adfeecf3a706c7f9df81f2" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-5235", "datePublished": "2020-02-04T03:00:18.000Z", "dateReserved": "2020-01-02T00:00:00.000Z", "dateUpdated": "2024-08-04T08:22:09.040Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }