Vulnerability-Lookup

CNVD-2022-88793

Vulnerability from cnvd - Published: 2022-12-20

Title

Genivia Dlt-daemon缓冲区溢出漏洞

Description

Dlt-daemon是Genivia的ECU的DLT通信接口。它从运行在ECU上的一个或多个DLT用户收集并缓冲日志消息，并根据DLT客户机的请求将它们提供给它们。 Genivia Dlt-daemon 2.18.8及其之前版本存在缓冲区溢出漏洞，该漏洞源于错误的DLT文件解析器，攻击者可利用漏洞创建一个构建的DLT文件，使进程崩溃。

Severity

中

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/COVESA/dlt-daemon/commit/855e0017a980d2990c16f7dbf3b4983b48fac272

Reference

https://packetstormsecurity.com/files/168535/COVESA-2.18.8-NULL-Pointer-Dereference-Heap-Buffer-Over-Read.html

Impacted products

Name
Genvini Dlt-daemon <=2.18.8

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-39836",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-39836"
    }
  },
  "description": "Dlt-daemon\u662fGenivia\u7684ECU\u7684DLT\u901a\u4fe1\u63a5\u53e3\u3002\u5b83\u4ece\u8fd0\u884c\u5728ECU\u4e0a\u7684\u4e00\u4e2a\u6216\u591a\u4e2aDLT\u7528\u6237\u6536\u96c6\u5e76\u7f13\u51b2\u65e5\u5fd7\u6d88\u606f\uff0c\u5e76\u6839\u636eDLT\u5ba2\u6237\u673a\u7684\u8bf7\u6c42\u5c06\u5b83\u4eec\u63d0\u4f9b\u7ed9\u5b83\u4eec\u3002\n\nGenivia Dlt-daemon 2.18.8\u53ca\u5176\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u7684DLT\u6587\u4ef6\u89e3\u6790\u5668\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u521b\u5efa\u4e00\u4e2a\u6784\u5efa\u7684DLT\u6587\u4ef6\uff0c\u4f7f\u8fdb\u7a0b\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/COVESA/dlt-daemon/commit/855e0017a980d2990c16f7dbf3b4983b48fac272",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-88793",
  "openTime": "2022-12-20",
  "products": {
    "product": "Genvini Dlt-daemon \u003c=2.18.8"
  },
  "referenceLink": "https://packetstormsecurity.com/files/168535/COVESA-2.18.8-NULL-Pointer-Dereference-Heap-Buffer-Over-Read.html",
  "serverity": "\u4e2d",
  "submitTime": "2022-09-29",
  "title": "Genivia Dlt-daemon\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2022-39836 (GCVE-0-2022-39836)

Vulnerability from cvelistv5 – Published: 2022-10-24 00:00 – Updated: 2025-05-07 14:22

Summary

An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a heap-based buffer over-read of one byte.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-07 14:21 UTC

CWE

n/a
CWE-125 - Out-of-bounds Read

Assigner

mitre mitre root

References

3 references

URL	Tags
https://seclists.org/fulldisclosure/2022/Sep/24
https://sec-consult.com/vulnerability-lab/advisor…
https://lists.debian.org/debian-lts-announce/2024…	mailing-list

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T12:07:42.915Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
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            ],
            "url": "https://seclists.org/fulldisclosure/2022/Sep/24"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sec-consult.com/vulnerability-lab/advisory/multiple-memory-corruption-vulnerabilities-in-covesa-dlt-daemon/"
          },
          {
            "name": "[debian-lts-announce] 20240627 [SECURITY] [DLA 3845-1] dlt-daemon security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00021.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-39836",
                "options": [
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                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-07T14:21:39.904148Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-125",
                "description": "CWE-125 Out-of-bounds Read",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-07T14:22:21.841Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a heap-based buffer over-read of one byte."
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
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      "providerMetadata": {
        "dateUpdated": "2024-06-27T18:06:04.509Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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      "references": [
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          "url": "https://seclists.org/fulldisclosure/2022/Sep/24"
        },
        {
          "url": "https://sec-consult.com/vulnerability-lab/advisory/multiple-memory-corruption-vulnerabilities-in-covesa-dlt-daemon/"
        },
        {
          "name": "[debian-lts-announce] 20240627 [SECURITY] [DLA 3845-1] dlt-daemon security update",
          "tags": [
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-39836",
    "datePublished": "2022-10-24T00:00:00.000Z",
    "dateReserved": "2022-09-05T00:00:00.000Z",
    "dateUpdated": "2025-05-07T14:22:21.841Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.