CVE-2018-12886

{"id": "CVE-2018-12886", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2019-05-22T19:29:00.297", "references": [{"url": "https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/config/arm/arm-protos.h?revision=266379&view=markup", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.gnu.org/software/gcc/gcc-8/changes.html", "tags": ["Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-209"}]}], "descriptions": [{"lang": "en", "value": "stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c in GNU Compiler Collection (GCC) 4.1 through 8 (under certain circumstances) generate instruction sequences when targeting ARM targets that spill the address of the stack protector guard, which allows an attacker to bypass the protection of -fstack-protector, -fstack-protector-all, -fstack-protector-strong, and -fstack-protector-explicit against stack overflow by controlling what the stack canary is compared against."}, {"lang": "es", "value": "stack_protect_prologue en cfgexpand.c y stack_protect_epilogue en function.c en GNU Compiler Collection (GCC) 4.1 a 8 (bajo ciertas circunstancias) genera secuencias de instrucciones al apuntar a objetivos ARM que derraman la direcci\u00f3n del protector de pila, que permite al atacante eludir el la protecci\u00f3n de -fstack-protector, -fstack-protector-all, -fstack-protector-strong y -fstack-protector-explicit contra el desbordamiento de pila controlando contra qu\u00e9 se compara la pila Canary."}], "lastModified": "2020-08-24T17:37:01.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:gcc:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D998C19C-5A21-438C-BF08-09F01FBA84E4", "versionEndIncluding": "8.0", "versionStartIncluding": "4.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}