CVE-2019-13917

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*", "matchCriteriaId": "9E44EF3A-D0DE-4E40-8D32-60514F87FD4F", "versionEndIncluding": "4.92", "versionStartIncluding": "4.85", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain)."}, {"lang": "es", "value": "Exim versiones 4.85 hasta 4.92 (corregido en 4.92.1) permite la ejecuci\u00f3n de c\u00f3digo remota como root en algunas configuraciones inusuales que usan la expansi\u00f3n ${sort} para elementos que pueden ser controlados por un atacante (por ejemplo, $local_part o $domain)."}], "id": "CVE-2019-13917", "lastModified": "2026-06-17T02:17:24.663", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-07-25T20:15:11.810", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://exim.org/static/doc/security/CVE-2019-13917.txt"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2019/07/26/5"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Jul/51"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201909-06"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4488"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://exim.org/static/doc/security/CVE-2019-13917.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2019/07/26/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Jul/51"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201909-06"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4488"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-19"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Jeremy Harris for reporting this issue.", "bugzilla": {"description": "exim: ${sort} in configuration leads to privilege escalation", "id": "1731412", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1731412"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-20", "details": ["Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain)."], "mitigation": {"lang": "en:us", "value": "Do not use ${sort } in your exim configuration."}, "name": "CVE-2019-13917", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "exim", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2019-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-13917\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-13917\nhttps://www.exim.org/static/doc/security/CVE-2019-13917.txt"], "statement": "As per upstream, this exim security flaw only affects exim versions from 4.85 up to and including 4.92. Since Red Hat Enterprise Linux 5 ships exim-4.63, it is not affected by this flaw.", "threat_severity": "Important"}

{}