CVE-2022-37452 - Vulnerability Details - OpenCVE

Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.04696.

Key SSVC decision points have not yet been added.

Vendors	Products
Debian	Debian Linux
Exim	Exim

Configuration 1 [-]

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
Debian DLA	DLA-3082-1	exim4 security update
EUVD	EUVD-2022-40078	Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.
Ubuntu USN	USN-5574-1	Exim vulnerability

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743
https://github.com/Exim/exim/compare/exim-4.94...exim-4.95
https://github.com/Exim/exim/wiki/EximSecurity
https://github.com/ivd38/exim_overflow
https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html
https://www.exim.org/static/doc/security/
https://www.openwall.com/lists/oss-security/2022/08/06/8

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-08-07T17:06:55

Updated: 2024-08-03T10:29:21.079Z

Reserved: 2022-08-07T00:00:00

Link: CVE-2022-37452

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-08-07T18:15:08.343

Modified: 2024-11-21T07:15:00.573

Link: CVE-2022-37452

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-08-27T18:06:15", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/Exim/exim/wiki/EximSecurity"}, {"tags": ["x_refsource_MISC"], "url": "https://www.exim.org/static/doc/security/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/ivd38/exim_overflow"}, {"tags": ["x_refsource_MISC"], "url": "https://www.openwall.com/lists/oss-security/2022/08/06/8"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Exim/exim/compare/exim-4.94...exim-4.95"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743"}, {"name": "[debian-lts-announce] 20220827 [SECURITY] [DLA 3082-1] exim4 security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2022-37452", "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": "Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/Exim/exim/wiki/EximSecurity", "refsource": "MISC", "url": "https://github.com/Exim/exim/wiki/EximSecurity"}, {"name": "https://www.exim.org/static/doc/security/", "refsource": "MISC", "url": "https://www.exim.org/static/doc/security/"}, {"name": "https://github.com/ivd38/exim_overflow", "refsource": "MISC", "url": "https://github.com/ivd38/exim_overflow"}, {"name": "https://www.openwall.com/lists/oss-security/2022/08/06/8", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2022/08/06/8"}, {"name": "https://github.com/Exim/exim/compare/exim-4.94...exim-4.95", "refsource": "MISC", "url": "https://github.com/Exim/exim/compare/exim-4.94...exim-4.95"}, {"name": "https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743", "refsource": "MISC", "url": "https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743"}, {"name": "[debian-lts-announce] 20220827 [SECURITY] [DLA 3082-1] exim4 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T10:29:21.079Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Exim/exim/wiki/EximSecurity"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.exim.org/static/doc/security/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ivd38/exim_overflow"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2022/08/06/8"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Exim/exim/compare/exim-4.94...exim-4.95"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743"}, {"name": "[debian-lts-announce] 20220827 [SECURITY] [DLA 3082-1] exim4 security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-37452", "datePublished": "2022-08-07T17:06:55", "dateReserved": "2022-08-07T00:00:00", "dateUpdated": "2024-08-03T10:29:21.079Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*", "matchCriteriaId": "58E69558-B96C-4F4F-B8E1-15F3CA8443CA", "versionEndExcluding": "4.95", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set."}, {"lang": "es", "value": "Exim versiones anteriores a 4.95, presenta un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria para la lista de alias en la funci\u00f3n host_name_lookup en el archivo host.c cuando sender_host_name est\u00e1 establecido"}], "id": "CVE-2022-37452", "lastModified": "2024-11-21T07:15:00.573", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-07T18:15:08.343", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743"}, {"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/Exim/exim/compare/exim-4.94...exim-4.95"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/Exim/exim/wiki/EximSecurity"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/ivd38/exim_overflow"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.exim.org/static/doc/security/"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/08/06/8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/Exim/exim/compare/exim-4.94...exim-4.95"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/Exim/exim/wiki/EximSecurity"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/ivd38/exim_overflow"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.exim.org/static/doc/security/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2022/08/06/8"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}