Vulnerability-Lookup

CNVD-2017-25709

Vulnerability from cnvd - Published: 2017-09-07

Title

FreeRDP拒绝服务漏洞

Description

FreeRDP是FreeRDP团队开发的一个免费、开源的关于远程桌面协议（RDP）的实现。 FreeRDP 2.0.0-beta1+android11版本中的challenge数据包处理过程存在拒绝服务漏洞。攻击者可借助特制的challenge数据包利用该漏洞造成拒绝服务（程序终止）。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： http://www.freerdp.com/

Reference

http://www.securityfocus.com/bid/99942

Impacted products

Name
FreeRDP FreeRDP 2.0.0-beta1+android1

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "99942"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-2839"
    }
  },
  "description": "FreeRDP\u662fFreeRDP\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u4e2a\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5173\u4e8e\u8fdc\u7a0b\u684c\u9762\u534f\u8bae\uff08RDP\uff09\u7684\u5b9e\u73b0\u3002\r\n\r\nFreeRDP 2.0.0-beta1+android11\u7248\u672c\u4e2d\u7684challenge\u6570\u636e\u5305\u5904\u7406\u8fc7\u7a0b\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684challenge\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a0b\u5e8f\u7ec8\u6b62\uff09\u3002",
  "discovererName": "Tyler Bohan of Cisco Talos.",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttp://www.freerdp.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-25709",
  "openTime": "2017-09-07",
  "products": {
    "product": "FreeRDP FreeRDP 2.0.0-beta1+android1"
  },
  "referenceLink": "http://www.securityfocus.com/bid/99942",
  "serverity": "\u9ad8",
  "submitTime": "2017-08-01",
  "title": "FreeRDP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-2839 (GCVE-0-2017-2839)

Vulnerability from cvelistv5 – Published: 2018-04-24 19:00 – Updated: 2024-09-16 23:10

Summary

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.

Severity

6.5 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

denial of service

Assigner

talos mitre root

References

3 references

URL	Tags
http://www.securityfocus.com/bid/99942	vdb-entryx_refsource_BID
https://www.debian.org/security/2017/dsa-3923	vendor-advisoryx_refsource_DEBIAN
https://www.talosintelligence.com/vulnerability_r…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
FreeRDP	FreeRDP	Affected: 2.0.0-beta1+android11 - Windows, OSX, Linux

Date Public

2017-07-24 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T14:09:17.225Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "99942",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/99942"
          },
          {
            "name": "DSA-3923",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2017/dsa-3923"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0341"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FreeRDP",
          "vendor": "FreeRDP",
          "versions": [
            {
              "status": "affected",
              "version": "2.0.0-beta1+android11 - Windows, OSX, Linux"
            }
          ]
        }
      ],
      "datePublic": "2017-07-24T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "denial of service",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-04-19T18:23:12.000Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "name": "99942",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/99942"
        },
        {
          "name": "DSA-3923",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2017/dsa-3923"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0341"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "DATE_PUBLIC": "2017-07-24T00:00:00",
          "ID": "CVE-2017-2839",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "FreeRDP",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "2.0.0-beta1+android11 - Windows, OSX, Linux"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "FreeRDP"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            {
              "lang": "eng",
              "value": "An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": 6.5,
            "baseSeverity": "Medium",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.0"
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        },
        "problemtype": {
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                  "lang": "eng",
                  "value": "denial of service"
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        },
        "references": {
          "reference_data": [
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              "name": "99942",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/99942"
            },
            {
              "name": "DSA-3923",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2017/dsa-3923"
            },
            {
              "name": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0341",
              "refsource": "MISC",
              "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0341"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2017-2839",
    "datePublished": "2018-04-24T19:00:00.000Z",
    "dateReserved": "2016-12-01T00:00:00.000Z",
    "dateUpdated": "2024-09-16T23:10:49.379Z",
    "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.
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CNVD-2017-25709

CVE-2017-2839 (GCVE-0-2017-2839)

Tags

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