[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$feP0PYbSkp6uBFnI5vlz3baATLTB1qKBkfvhi6KtOSRY":3,"g5a-risk:CVE-2023-43632":112},{"success":4,"data":5,"meta":109},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":38,"epssPercentile":27,"epssTimeSeries":39,"severity":40,"affectedProducts":41,"affectedProductsCount":47,"references":48,"referencesCount":47,"weaknesses":53,"weaknessesCount":69,"isActivelyExploited":70,"cisaInfo":27,"otxData":27,"relatedBlogPosts":71,"seoMetadata":72,"configurations":97,"relatedVendorCves":107,"notableEvents":108},"CVE-2023-43632","What is CVE-2023-43632?","As noted in the “VTPM.md” file in the eve documentation, “VTPM is a server listening on port\n8877 in EVE, exposing limited functionality of the TPM to the clients. \nVTPM allows clients to\nexecute tpm2-tools binaries from a list of hardcoded options”\nThe communication with this server is done using protobuf, and the data is comprised of 2\nparts:\n\n1. Header\n\n2. Data\n\nWhen a connection is made, the server is waiting for 4 bytes of data, which will be the header,\nand these 4 bytes would be parsed as uint32 size of the actual data to come.\n\nThen, in the function “handleRequest” this size is then used in order to allocate a payload on\nthe stack for the incoming data.\n\nAs this payload is allocated on the stack, this will allow overflowing the stack size allocated for\nthe relevant process with freely controlled data.\n\n* An attacker can crash the system. \n* An attacker can gain control over the system, specifically on the “vtpm_server” process\nwhich has very high privileges.","As noted in the “VTPM.md” file in the eve documentation, “VTPM is a server listening on port 8877 in EVE, exposing limited functionality of the TPM to the cl...","2023-09-21T14:15:11.157","2023-09-28T06:15:11.83",9.9,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:C\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":27,"CVSSMetricV40":27},[16,30],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":25,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.1","NETWORK","LOW","NONE","CHANGED","HIGH","CRITICAL",null,3.1,6,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":37,"ImpactScore":29},"cve@asrg.io","Secondary",{"Version":20,"VectorString":34,"AttackVector":35,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":36,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":25,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"CVSS:3.1\u002FAV:A\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:C\u002FC:H\u002FI:H\u002FA:H","ADJACENT_NETWORK",9,2.3,0.00658,[38,38,38,38,38,38,38],"Critical",[42],{"vendor":43,"product":44,"version":45,"criteria":46,"vulnerable":4},"linuxfoundation","edge_virtualization_engine","*","cpe:2.3:o:linuxfoundation:edge_virtualization_engine:*:*:*:*:*:*:*:*",1,[49],{"url":50,"source":51,"tags":52},"https:\u002F\u002Fasrg.io\u002Fsecurity-advisories\u002Fcve-2023-43632\u002F","Asrg",[],[54,62],{"id":55,"name":56,"description":57,"extendedDescription":58,"status":59,"abstraction":60,"structure":61},"CWE-770","Allocation of Resources Without Limits or Throttling","The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.","Code frequently has to work with limited resources, so programmers must be careful to ensure that resources are not consumed too quickly, or too easily.  Without use of quotas, resource limits, or other protection mechanisms, it can be easy for an attacker to consume many resources by rapidly making many requests, or causing larger resources to be used than is needed. When too many resources are allocated, or if a single resource is too large, then it can prevent the code from working correctly, possibly leading to a denial of service.","Incomplete","Base","Simple",{"id":63,"name":64,"description":65,"extendedDescription":66,"status":67,"abstraction":68,"structure":61},"CWE-789","Memory Allocation with Excessive Size Value","The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.","","Draft","Variant",2,false,[],{"title":73,"metaDescription":74,"keywords":75,"canonicalUrl":76,"structuredData":77},"What is CVE-2023-43632? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2023-43632, a critical severity cyber security vulnerability from 2023. As noted in the “VTPM.md” file in the eve documentation...","CVE-2023-43632, CVE-2023-43632 vulnerability, CVE-2023-43632 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2023, CVSS score, exploit, patch, remediation, linuxfoundation security, edge_virtualization_engine vulnerability","\u002Fwhat-is\u002Fcve-2023-43632",{"@context":78,"@type":79,"headline":73,"description":74,"datePublished":10,"dateModified":11,"author":80,"publisher":84,"about":88,"mainEntityOfPage":92,"articleSection":95,"keywords":96},"https:\u002F\u002Fschema.org","TechArticle",{"@type":81,"name":82,"url":83},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":81,"name":82,"url":83,"logo":85},{"@type":86,"url":87},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":89,"name":6,"description":90,"additionalType":91},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":93,"@id":94},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2023-43632","Cybersecurity","CVE-2023-43632, CVE-2023-43632 vulnerability, CVE-2023-43632 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[98],{"Operator":27,"Negate":27,"Nodes":99},[100],{"Operator":101,"Negate":27,"CPEMatch":102},"OR",[103],{"Vulnerable":4,"Criteria":46,"MatchCriteriaID":104,"VersionStartExcluding":27,"VersionStartIncluding":105,"VersionEndExcluding":106,"VersionEndIncluding":27},"108D8437-2504-4234-803D-D7BD1657346C","3.0.0","9.5.0",[],[],{"lastModified":11,"cacheTime":110,"version":111},1792436137255,"2.0",{"score":113,"band":114,"action":115,"scoredAt":116},54,"Medium","Plan remediation","2026-10-16T06:59:11.968777+00:00"]