{"containers":{"cna":{"affected":[{"product":"TeamViewer","vendor":"TeamViewer","versions":[{"status":"affected","version":"15.16.8.0"}]}],"credits":[{"lang":"en","value":"Mat Powell of Trend Micro Zero Day Initiative"}],"descriptions":[{"lang":"en","value":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of TeamViewer 15.16.8.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of TVS files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13697."}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-10-25T17:10:44.000Z","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","shortName":"zdi"},"references":[{"tags":["x_refsource_MISC"],"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1003/"},{"tags":["x_refsource_MISC"],"url":"https://community.teamviewer.com/English/discussion/117794/august-updates-security-patches/p1"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"zdi-disclosures@trendmicro.com","ID":"CVE-2021-34859","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"TeamViewer","version":{"version_data":[{"version_value":"15.16.8.0"}]}}]},"vendor_name":"TeamViewer"}]}},"credit":"Mat Powell of Trend Micro Zero Day Initiative","data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of TeamViewer 15.16.8.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of TVS files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13697."}]},"impact":{"cvss":{"vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}]},"references":{"reference_data":[{"name":"https://www.zerodayinitiative.com/advisories/ZDI-21-1003/","refsource":"MISC","url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1003/"},{"name":"https://community.teamviewer.com/English/discussion/117794/august-updates-security-patches/p1","refsource":"MISC","url":"https://community.teamviewer.com/English/discussion/117794/august-updates-security-patches/p1"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T00:26:54.646Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1003/"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://community.teamviewer.com/English/discussion/117794/august-updates-security-patches/p1"}]}]},"cveMetadata":{"assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","assignerShortName":"zdi","cveId":"CVE-2021-34859","datePublished":"2021-10-25T17:10:44.000Z","dateReserved":"2021-06-17T00:00:00.000Z","dateUpdated":"2024-08-04T00:26:54.646Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}