Vulnerability-Lookup

CNVD-2020-13702

Vulnerability from cnvd - Published: 2020-02-26

Title

Jetbrains Ktor环境问题漏洞

Description

JetBrains Ktor是捷克JetBrains公司的一款Web应用程序框架。 Jetbrains Ktor中存在环境问题漏洞。该漏洞源于网络系统或产品的环境因素不合理。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Jetbrains Ktor环境问题漏洞的补丁

Patch Description

JetBrains Ktor是捷克JetBrains公司的一款Web应用程序框架。 Jetbrains Ktor中存在环境问题漏洞。该漏洞源于网络系统或产品的环境因素不合理。目前没有详细的漏洞细节提供。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

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/ktorio/ktor/pull/1547

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-5207

Impacted products

Name
JetBrains Jetbrains Ktor <1.3.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5207",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-5207"
    }
  },
  "description": "JetBrains Ktor\u662f\u6377\u514bJetBrains\u516c\u53f8\u7684\u4e00\u6b3eWeb\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\u3002\n\nJetbrains Ktor\u4e2d\u5b58\u5728\u73af\u5883\u95ee\u9898\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u7684\u73af\u5883\u56e0\u7d20\u4e0d\u5408\u7406\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/ktorio/ktor/pull/1547",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-13702",
  "openTime": "2020-02-26",
  "patchDescription": "JetBrains Ktor\u662f\u6377\u514bJetBrains\u516c\u53f8\u7684\u4e00\u6b3eWeb\u5e94\u7528\u7a0b\u5e8f\u6846\u67b6\u3002\r\n\r\nJetbrains Ktor\u4e2d\u5b58\u5728\u73af\u5883\u95ee\u9898\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u7684\u73af\u5883\u56e0\u7d20\u4e0d\u5408\u7406\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Jetbrains Ktor\u73af\u5883\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "JetBrains Jetbrains Ktor \u003c1.3.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-5207",
  "serverity": "\u9ad8",
  "submitTime": "2020-02-12",
  "title": "Jetbrains Ktor\u73af\u5883\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-5207 (GCVE-0-2020-5207)

Vulnerability from cvelistv5 – Published: 2020-01-27 19:30 – Updated: 2024-08-04 08:22

Title

Request smuggling is possible in Ktor when both chunked TE and content length specified

Summary

In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.

Severity

5.4 (Medium)


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

CWE

CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/ktorio/ktor/security/advisorie…	x_refsource_CONFIRM
https://github.com/ktorio/ktor/pull/1547	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Ktor.io	Ktor	Affected: < 1.3.0

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:22:09.258Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
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              "x_transferred"
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            "url": "https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/ktorio/ktor/pull/1547"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Ktor",
          "vendor": "Ktor.io",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.3.0"
            }
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        }
      ],
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        }
      ],
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        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-444",
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            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-27T19:30:15.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
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          "tags": [
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          "url": "https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v"
        },
        {
          "tags": [
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          "url": "https://github.com/ktorio/ktor/pull/1547"
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        "advisory": "GHSA-xrr9-rh8p-433v",
        "discovery": "UNKNOWN"
      },
      "title": "Request smuggling is possible in Ktor when both chunked TE and content length specified",
      "x_legacyV4Record": {
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        },
        "affects": {
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            "vendor_data": [
              {
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                      "product_name": "Ktor",
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            }
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        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
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  },
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}

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.