CVE-2019-16791 - Vulnerability Details - OpenCVE

In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.003.

Key SSVC decision points have not yet been added.

Vendors	Products
Postfix-mta-sts-resolver Project Subscribe	Postfix-mta-sts-resolver Subscribe

Configuration 1 [-]

cpe:2.3:a:postfix-mta-sts-resolver_project:postfix-mta-sts-resolver:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2020-0149	In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.
Github GHSA	GHSA-h92m-42h4-82f6	postfix-mta-sts-resolver Algorithm Downgrade vulnerability

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b
https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2020-01-22T01:40:14

Updated: 2024-08-05T01:24:47.238Z

Reserved: 2019-09-24T00:00:00

Link: CVE-2019-16791

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-01-22T02:15:11.367

Modified: 2024-11-21T04:31:11.807

Link: CVE-2019-16791

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"containers": {"cna": {"affected": [{"product": "postfix-mta-sts-resolver", "vendor": "Snawoot", "versions": [{"status": "affected", "version": "< 0.5.1"}]}], "descriptions": [{"lang": "en", "value": "In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-757", "description": "CWE-757: Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-01-22T01:40:14", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6"}, {"tags": ["x_refsource_MISC"], "url": "https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b"}], "source": {"advisory": "GHSA-h92m-42h4-82f6", "discovery": "UNKNOWN"}, "title": "downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2019-16791", "STATE": "PUBLIC", "TITLE": "downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "postfix-mta-sts-resolver", "version": {"version_data": [{"version_value": "< 0.5.1"}]}}]}, "vendor_name": "Snawoot"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-757: Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6", "refsource": "CONFIRM", "url": "https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6"}, {"name": "https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b", "refsource": "MISC", "url": "https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b"}]}, "source": {"advisory": "GHSA-h92m-42h4-82f6", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T01:24:47.238Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2019-16791", "datePublished": "2020-01-22T01:40:14", "dateReserved": "2019-09-24T00:00:00", "dateUpdated": "2024-08-05T01:24:47.238Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:postfix-mta-sts-resolver_project:postfix-mta-sts-resolver:*:*:*:*:*:*:*:*", "matchCriteriaId": "666D9281-F164-4C15-867C-45E63A563577", "versionEndExcluding": "0.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy."}, {"lang": "es", "value": "En postfix-mta-sts-resolver versiones anteriores a 0.5.1, todos los usuarios pueden recibir una respuesta incorrecta del demonio bajo condiciones extra\u00f1as, renderizando una degradaci\u00f3n de la pol\u00edtica STS efectiva."}], "id": "CVE-2019-16791", "lastModified": "2024-11-21T04:31:11.807", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.6, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-01-22T02:15:11.367", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-757"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}