CVE-2020-25855

{"containers": {"cna": {"affected": [{"product": "Realtek RTL8195A Wi-Fi Module", "vendor": "n/a", "versions": [{"status": "affected", "version": "Versions before 2020-04-21 (up to and excluding 2.08)"}]}], "descriptions": [{"lang": "en", "value": "The function AES_UnWRAP() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (up to and excluding 2.08) does not validate the size parameter for a memcpy() operation, resulting in a stack buffer overflow which can be exploited for remote code execution or denial of service. An attacker can impersonate an Access Point and attack a vulnerable Wi-Fi client, by injecting a crafted packet into the WPA2 handshake. The attacker needs to know the network's PSK in order to exploit this."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "Stack buffer overflow (CWE-121)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-02-03T16:49:05.000Z", "orgId": "6b4ace4a-d6e0-415b-9ce8-aa20e97e4b24", "shortName": "VDOO"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.vdoo.com/blog/realtek-rtl8195a-vulnerabilities-discovered/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vuln@vdoo.com", "ID": "CVE-2020-25855", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Realtek RTL8195A Wi-Fi Module", "version": {"version_data": [{"version_value": "Versions before 2020-04-21 (up to and excluding 2.08)"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The function AES_UnWRAP() in the Realtek RTL8195A Wi-Fi Module prior to versions released in April 2020 (up to and excluding 2.08) does not validate the size parameter for a memcpy() operation, resulting in a stack buffer overflow which can be exploited for remote code execution or denial of service. An attacker can impersonate an Access Point and attack a vulnerable Wi-Fi client, by injecting a crafted packet into the WPA2 handshake. The attacker needs to know the network's PSK in order to exploit this."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Stack buffer overflow (CWE-121)"}]}]}, "references": {"reference_data": [{"name": "https://www.vdoo.com/blog/realtek-rtl8195a-vulnerabilities-discovered/", "refsource": "CONFIRM", "url": "https://www.vdoo.com/blog/realtek-rtl8195a-vulnerabilities-discovered/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:49:05.976Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.vdoo.com/blog/realtek-rtl8195a-vulnerabilities-discovered/"}]}]}, "cveMetadata": {"assignerOrgId": "6b4ace4a-d6e0-415b-9ce8-aa20e97e4b24", "assignerShortName": "VDOO", "cveId": "CVE-2020-25855", "datePublished": "2021-02-03T16:49:05.000Z", "dateReserved": "2020-09-23T00:00:00.000Z", "dateUpdated": "2024-08-04T15:49:05.976Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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