CVE-2021-30481 - Vulnerability Details - OpenCVE

Valve Steam through 2021-04-10, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Valvesoftware	Steam Client

Configuration 1 [-]

cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://news.ycombinator.com/item?id=26762170
https://twitter.com/floesen_/status/1337107178096881666
https://twitter.com/the_secret_club/status/1380868759129296900
https://www.youtube.com/watch?v=rNQn--9xR1Q

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-10T18:31:34

Updated: 2024-08-03T22:32:41.121Z

Reserved: 2021-04-10T00:00:00

Link: CVE-2021-30481

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-10T19:15:11.707

Modified: 2024-11-21T06:04:00.753

Link: CVE-2021-30481

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Valve Steam through 2021-04-10, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:R", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-10T18:31:34", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://twitter.com/the_secret_club/status/1380868759129296900"}, {"tags": ["x_refsource_MISC"], "url": "https://www.youtube.com/watch?v=rNQn--9xR1Q"}, {"tags": ["x_refsource_MISC"], "url": "https://news.ycombinator.com/item?id=26762170"}, {"tags": ["x_refsource_MISC"], "url": "https://twitter.com/floesen_/status/1337107178096881666"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-30481", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Valve Steam through 2021-04-10, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:R", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://twitter.com/the_secret_club/status/1380868759129296900", "refsource": "MISC", "url": "https://twitter.com/the_secret_club/status/1380868759129296900"}, {"name": "https://www.youtube.com/watch?v=rNQn--9xR1Q", "refsource": "MISC", "url": "https://www.youtube.com/watch?v=rNQn--9xR1Q"}, {"name": "https://news.ycombinator.com/item?id=26762170", "refsource": "MISC", "url": "https://news.ycombinator.com/item?id=26762170"}, {"name": "https://twitter.com/floesen_/status/1337107178096881666", "refsource": "MISC", "url": "https://twitter.com/floesen_/status/1337107178096881666"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:32:41.121Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://twitter.com/the_secret_club/status/1380868759129296900"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.youtube.com/watch?v=rNQn--9xR1Q"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://news.ycombinator.com/item?id=26762170"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://twitter.com/floesen_/status/1337107178096881666"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-30481", "datePublished": "2021-04-10T18:31:34", "dateReserved": "2021-04-10T00:00:00", "dateUpdated": "2024-08-03T22:32:41.121Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:*", "matchCriteriaId": "3F4F455F-5897-4F4D-B3BE-8CF1CEDB1627", "versionEndIncluding": "2021-04-10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Valve Steam through 2021-04-10, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click."}, {"lang": "es", "value": "Valve Steam hasta el 10-04-2021, cuando un juego del motor de Origen es instalado, permite a usuarios autenticados remotos ejecutar c\u00f3digo arbitrario debido a un desbordamiento del b\u00fafer que ocurre para una invitaci\u00f3n de Steam despu\u00e9s de un clic"}], "id": "CVE-2021-30481", "lastModified": "2024-11-21T06:04:00.753", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 6.0, "source": "cve@mitre.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-10T19:15:11.707", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://news.ycombinator.com/item?id=26762170"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://twitter.com/floesen_/status/1337107178096881666"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://twitter.com/the_secret_club/status/1380868759129296900"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.youtube.com/watch?v=rNQn--9xR1Q"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://news.ycombinator.com/item?id=26762170"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://twitter.com/floesen_/status/1337107178096881666"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://twitter.com/the_secret_club/status/1380868759129296900"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.youtube.com/watch?v=rNQn--9xR1Q"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}