CVE-2019-15642 - Vulnerability Details - OpenCVE

Description

rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states "RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users."

Published: 2019-08-26

Score: 8.8 High

EPSS: 92.9% High

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.92931.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://doxfer.webmin.com/Webmin/Webmin_Servers_Index
https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37
https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c
https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/

History

No history.

Subscriptions

Webmin Webmin

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-08-26T17:07:47.000Z

Updated: 2024-08-05T00:56:22.017Z

Reserved: 2019-08-26T00:00:00.000Z

Link: CVE-2019-15642

Vulnrichment

No data.

NVD

Status : Modified

Published: 2019-08-26T18:15:12.983

Modified: 2024-11-21T04:29:11.003

Link: CVE-2019-15642

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-94

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states \"RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users.\""}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-08-26T17:36:42.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37"}, {"tags": ["x_refsource_MISC"], "url": "https://doxfer.webmin.com/Webmin/Webmin_Servers_Index"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-15642", "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": "rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states \"RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users.\""}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/", "refsource": "MISC", "url": "https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/"}, {"name": "https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c", "refsource": "MISC", "url": "https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c"}, {"name": "https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37", "refsource": "MISC", "url": "https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37"}, {"name": "https://doxfer.webmin.com/Webmin/Webmin_Servers_Index", "refsource": "MISC", "url": "https://doxfer.webmin.com/Webmin/Webmin_Servers_Index"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T00:56:22.017Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://doxfer.webmin.com/Webmin/Webmin_Servers_Index"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-15642", "datePublished": "2019-08-26T17:07:47.000Z", "dateReserved": "2019-08-26T00:00:00.000Z", "dateUpdated": "2024-08-05T00:56:22.017Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:*", "matchCriteriaId": "0662557D-EC4E-4850-BC78-AA3A5B67CAE8", "versionEndIncluding": "1.920", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states \"RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users.\""}, {"lang": "es", "value": "rpc.cgi en Webmin hasta la version 1.920 permite la ejecuci\u00f3n remota de c\u00f3digo autenticada a trav\u00e9s de un nombre de objeto dise\u00f1ado porque unserialise_variable realiza una llamada de evaluaci\u00f3n. NOTA: la documentaci\u00f3n de Webmin_Servers_Index establece que \"RPC se puede usar para ejecutar cualquier comando o modificar cualquier archivo en un servidor, por lo que no se debe otorgar acceso a los usuarios de Webmin que no son de confianza\"."}], "id": "CVE-2019-15642", "lastModified": "2024-11-21T04:29:11.003", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-08-26T18:15:12.983", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://doxfer.webmin.com/Webmin/Webmin_Servers_Index"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://doxfer.webmin.com/Webmin/Webmin_Servers_Index"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "nvd@nist.gov", "type": "Primary"}]}