Vulnerability-Lookup

CNVD-2022-85502

Vulnerability from cnvd - Published: 2022-12-06

Title

Dropbox Lepton拒绝服务漏洞

Description

Dropbox Lepton是一套无损压缩JPEG格式文件的工具。 LEPTON Project Dropbox Lepton 1.2版本存在拒绝服务漏洞，攻击者可利用漏洞通过精心制作的JPEG文件传递给Lepton图像压缩工具方式，发起拒绝服务攻击。

Severity

中

Patch Name

Dropbox Lepton拒绝服务漏洞的补丁

Patch Description

Dropbox Lepton是一套无损压缩JPEG格式文件的工具。 LEPTON Project Dropbox Lepton 1.2版本存在拒绝服务漏洞，攻击者可利用漏洞通过精心制作的JPEG文件传递给Lepton图像压缩工具方式，发起拒绝服务攻击。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/dropbox/lepton

Reference

https://tenable.com/security/research/TRA-2022-35

Impacted products

Name
LEPTON Project Dropbox Lepton 1.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-4104",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-4104"
    }
  },
  "description": "Dropbox Lepton\u662f\u4e00\u5957\u65e0\u635f\u538b\u7f29JPEG\u683c\u5f0f\u6587\u4ef6\u7684\u5de5\u5177\u3002\n\nLEPTON Project Dropbox Lepton 1.2\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684JPEG\u6587\u4ef6\u4f20\u9012\u7ed9Lepton\u56fe\u50cf\u538b\u7f29\u5de5\u5177\u65b9\u5f0f\uff0c\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/dropbox/lepton",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-85502",
  "openTime": "2022-12-06",
  "patchDescription": "Dropbox Lepton\u662f\u4e00\u5957\u65e0\u635f\u538b\u7f29JPEG\u683c\u5f0f\u6587\u4ef6\u7684\u5de5\u5177\u3002\r\n\r\nLEPTON Project Dropbox Lepton 1.2\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684JPEG\u6587\u4ef6\u4f20\u9012\u7ed9Lepton\u56fe\u50cf\u538b\u7f29\u5de5\u5177\u65b9\u5f0f\uff0c\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Dropbox Lepton\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "LEPTON Project Dropbox Lepton  1.2"
  },
  "referenceLink": "https://tenable.com/security/research/TRA-2022-35",
  "serverity": "\u4e2d",
  "submitTime": "2022-11-30",
  "title": "Dropbox Lepton\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2022-4104 (GCVE-0-2022-4104)

Vulnerability from cvelistv5 – Published: 2022-11-28 00:00 – Updated: 2025-04-14 18:08

Summary

A loop with an unreachable exit condition can be triggered by passing a crafted JPEG file to the Lepton image compression tool, resulting in a denial-of-service.

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: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-14 18:05 UTC

CWE

Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

tenable CNA under the mitre root

CNA scorecard C 72/100 over 49 records in the last 180 days details

References

1 reference

URL	Tags
https://tenable.com/security/research/TRA-2022-35

Impacted products

1 product

Vendor	Product	Version
n/a	Dropbox Lepton	Affected: 1.2 and current development build

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:27:54.415Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://tenable.com/security/research/TRA-2022-35"
          }
        ],
        "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-2022-4104",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-14T18:05:10.969759Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-835",
                "description": "CWE-835 Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-14T18:08:13.209Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Dropbox Lepton",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "1.2 and current development build"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A loop with an unreachable exit condition can be triggered by passing a crafted JPEG file to the Lepton image compression tool, resulting in a denial-of-service."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-28T00:00:00.000Z",
        "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
        "shortName": "tenable"
      },
      "references": [
        {
          "url": "https://tenable.com/security/research/TRA-2022-35"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
    "assignerShortName": "tenable",
    "cveId": "CVE-2022-4104",
    "datePublished": "2022-11-28T00:00:00.000Z",
    "dateReserved": "2022-11-21T00:00:00.000Z",
    "dateUpdated": "2025-04-14T18:08:13.209Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

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.

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CNVD-2022-85502

CVE-2022-4104 (GCVE-0-2022-4104)

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