CVE-2016-9920 - Vulnerability Details - OpenCVE

steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

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.

The EPSS score is 0.44834.

Key SSVC decision points have not yet been added.

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 [-]

OR	cpe:2.3:a:roundcube:webmail::::::::
	cpe:2.3:a:roundcube:webmail:1.2.0:::::::*
	cpe:2.3:a:roundcube:webmail:1.2.1:::::::*
	cpe:2.3:a:roundcube:webmail:1.2.2:::::::*

No data.

No data.

Project Subscriptions

Vendors	Products
Roundcube Subscribe	Webmail Subscribe

Advisories

Source	ID	Title
Ubuntu USN	USN-8132-1	Roundcube Webmail vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2016/12/08/10
http://www.securityfocus.com/bid/94858
https://blog.ripstech.com/2016/roundcube-command-execution-via-email/
https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released
https://security.gentoo.org/glsa/201612-44

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-12-08T18:00:00.000Z

Updated: 2024-08-06T03:07:31.413Z

Reserved: 2016-12-08T00:00:00.000Z

Link: CVE-2016-9920

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2016-12-08T18:59:00.200

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-9920

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-284

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-12-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-06-30T16:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/"}, {"name": "94858", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/94858"}, {"name": "[oss-security] 20161208 roundcube code execution via mail()", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/12/08/10"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released"}, {"name": "GLSA-201612-44", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201612-44"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-9920", "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": "steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/", "refsource": "MISC", "url": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/"}, {"name": "94858", "refsource": "BID", "url": "http://www.securityfocus.com/bid/94858"}, {"name": "[oss-security] 20161208 roundcube code execution via mail()", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/12/08/10"}, {"name": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released", "refsource": "CONFIRM", "url": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released"}, {"name": "GLSA-201612-44", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201612-44"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T03:07:31.413Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/"}, {"name": "94858", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/94858"}, {"name": "[oss-security] 20161208 roundcube code execution via mail()", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/12/08/10"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released"}, {"name": "GLSA-201612-44", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201612-44"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-9920", "datePublished": "2016-12-08T18:00:00.000Z", "dateReserved": "2016-12-08T00:00:00.000Z", "dateUpdated": "2024-08-06T03:07:31.413Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*", "matchCriteriaId": "47DB8BF5-B1EE-49BD-AFE3-4383AAC0B2C3", "versionEndIncluding": "1.1.6", "vulnerable": true}, {"criteria": "cpe:2.3:a:roundcube:webmail:1.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "6556D4DF-FFF9-4EE0-91EA-84314D7CF071", "vulnerable": true}, {"criteria": "cpe:2.3:a:roundcube:webmail:1.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "98A43C92-1266-47DB-B3D9-A12CFE271EEA", "vulnerable": true}, {"criteria": "cpe:2.3:a:roundcube:webmail:1.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "BEFDA8E6-5BD6-4A20-8B67-C9597B67DABA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message."}, {"lang": "es", "value": "steps/mail/sendmail.inc en Roundcube en versiones anteriores a 1.1.7 y 1.2.x en versiones anteriores a 1.2.3, cuando ning\u00fan servidor SMTP est\u00e1 configurado y el programa sendmail est\u00e1 habilitado, no restringe adecuadamente el uso de direcciones personalizadas envelope-from en la l\u00ednea de comando de sendmail, lo que permite a usuarios remotos autenticados ejecutar c\u00f3digo arbitrario a trav\u00e9s de una petici\u00f3n HTTP modificada que env\u00eda un mensaje de correo electr\u00f3nico manipulado."}], "id": "CVE-2016-9920", "lastModified": "2025-04-12T10:46:40.837", "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": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-12-08T18:59:00.200", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/12/08/10"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/94858"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201612-44"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/12/08/10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/94858"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.ripstech.com/2016/roundcube-command-execution-via-email/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201612-44"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "nvd@nist.gov", "type": "Primary"}]}