CVE-2024-34020 - Vulnerability Details - OpenCVE

A stack-based buffer overflow was found in the putSDN() function of mail.c in hcode through 2.1.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Hcode	Hcode

No data.

No data.

References

Link	Providers
http://ftp.kaist.ac.kr/hangul/code/hcode/
https://bugzilla.suse.com/show_bug.cgi?id=1223534

History

Thu, 26 Feb 2026 19:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Hcode Hcode hcode
CPEs		cpe:2.3:a:hcode:hcode::::::::
Vendors & Products		Hcode Hcode hcode
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-04-29T00:00:00.000Z

Updated: 2024-08-02T02:42:59.775Z

Reserved: 2024-04-29T00:00:00.000Z

Link: CVE-2024-34020

Vulnrichment

Updated: 2024-08-02T02:42:59.775Z

NVD

Status : Awaiting Analysis

Published: 2024-04-29T16:15:35.570

Modified: 2024-11-21T09:17:55.480

Link: CVE-2024-34020

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-34020", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T02:42:59.775Z", "dateReserved": "2024-04-29T00:00:00.000Z", "datePublished": "2024-04-29T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-04-29T15:49:26.363Z"}, "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow was found in the putSDN() function of mail.c in hcode through 2.1."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=1223534"}, {"url": "http://ftp.kaist.ac.kr/hangul/code/hcode/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-34020", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-04-29T17:02:33.790752Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:hcode:hcode:*:*:*:*:*:*:*:*"], "vendor": "hcode", "product": "hcode", "versions": [{"status": "affected", "version": "*"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:42:00.762Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T02:42:59.775Z"}, "title": "CVE Program Container", "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=1223534", "tags": ["x_transferred"]}, {"url": "http://ftp.kaist.ac.kr/hangul/code/hcode/", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=1223534", "tags": ["x_transferred"]}, {"url": "http://ftp.kaist.ac.kr/hangul/code/hcode/", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T02:42:59.775Z"}}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-34020", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-04-29T17:02:33.790752Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:hcode:hcode:*:*:*:*:*:*:*:*"], "vendor": "hcode", "product": "hcode", "versions": [{"status": "affected", "version": "*"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-04-29T17:01:52.146Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=1223534"}, {"url": "http://ftp.kaist.ac.kr/hangul/code/hcode/"}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow was found in the putSDN() function of mail.c in hcode through 2.1."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-04-29T15:49:26.363Z"}}}, "cveMetadata": {"cveId": "CVE-2024-34020", "state": "PUBLISHED", "dateUpdated": "2024-08-02T02:42:59.775Z", "dateReserved": "2024-04-29T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-04-29T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}