{ "CVE_data_meta": { "ASSIGNER": "cve-requests@bitdefender.com", "DATE_PUBLIC": "2020-12-17T19:00:00.000Z", "ID": "CVE-2020-15294", "STATE": "PUBLIC", "TITLE": "Compiler Optimization Removal or Modification of Security-Critical Code vulnerability in Bitdefender Hypervisor Introspection (VA-9339)" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Hypervisor Introspection", "version": { "version_data": [ { "version_affected": "<", "version_value": "1.132.2" } ] } } ] }, "vendor_name": "Bitdefender" } ] } }, "credit": [ { "lang": "eng", "value": "Ilja Van Sprundel from IOActive" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Compiler Optimization Removal or Modification of Security-critical Code vulnerability in IntPeParseUnwindData() results in multiple dereferences to the same pointer. If the pointer is located in memory-mapped from the guest space, this may cause a race-condition where the generated code would dereference the same address twice, thus obtaining different values, which may lead to arbitrary code execution. This issue affects: Bitdefender Hypervisor Introspection versions prior to 1.132.2." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-733: Compiler Optimization Removal or Modification of Security-critical Code" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://www.bitdefender.com/support/security-advisories/compiler-optimization-removal-modification-security-critical-code-vulnerability-bitdefender-hypervisor-introspection-va-9339/", "name": "https://www.bitdefender.com/support/security-advisories/compiler-optimization-removal-modification-security-critical-code-vulnerability-bitdefender-hypervisor-introspection-va-9339/" } ] }, "solution": [ { "lang": "eng", "value": "The issue has been fixed in Introcore 1.132.2." } ], "source": { "defect": [ "VA-9339" ], "discovery": "EXTERNAL" } }