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CNVD-2019-00653

Vulnerability from cnvd - Published: 2019-01-09

Title

FreeRDP缓冲区溢出漏洞（CNVD-2019-00653）

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。 FreeRDP2.0.0-rc4之前版本中的‘zgfx_decompress()’函数存在堆缓冲区溢出漏洞，远程攻击者可利用该漏洞造成拒绝服务（内存损坏）并可能执行代码。

Severity

高

Patch Name

FreeRDP缓冲区溢出漏洞（CNVD-2019-00653）的补丁

Patch 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。 FreeRDP2.0.0-rc4之前版本中的‘zgfx_decompress()’函数存在堆缓冲区溢出漏洞，远程攻击者可利用该漏洞造成拒绝服务（内存损坏）并可能执行代码。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

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/FreeRDP/FreeRDP/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-8785

Impacted products

Name
FreeRDP FreeRDP <2.0.0-rc4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-8785"
    }
  },
  "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\n\nFreeRDP2.0.0-rc4\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u2018zgfx_decompress()\u2019\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u635f\u574f\uff09\u5e76\u53ef\u80fd\u6267\u884c\u4ee3\u7801\u3002",
  "discovererName": "akallabeth",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/FreeRDP/FreeRDP/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-00653",
  "openTime": "2019-01-09",
  "patchDescription": "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\nFreeRDP2.0.0-rc4\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u2018zgfx_decompress()\u2019\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u635f\u574f\uff09\u5e76\u53ef\u80fd\u6267\u884c\u4ee3\u7801\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": "FreeRDP\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2019-00653\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FreeRDP FreeRDP \u003c2.0.0-rc4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-8785",
  "serverity": "\u9ad8",
  "submitTime": "2018-11-30",
  "title": "FreeRDP\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2019-00653\uff09"
}

CVE-2018-8785 (GCVE-0-2018-8785)

Vulnerability from cvelistv5 – Published: 2018-11-29 17:00 – Updated: 2024-09-16 20:22

Summary

FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress() that results in a memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

checkpoint mitre root

References

4 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/FreeRDP/FreeRDP/commit/602f4a2…	x_refsource_CONFIRM
https://usn.ubuntu.com/3845-1/	vendor-advisoryx_refsource_UBUNTU
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Check Point Software Technologies Ltd.	FreeRDP	Affected: All versions prior to 2.0.0-rc4

Date Public

2018-10-22 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T07:02:26.117Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "106938",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/106938"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/FreeRDP/FreeRDP/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d"
          },
          {
            "name": "USN-3845-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3845-1/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FreeRDP",
          "vendor": "Check Point Software Technologies Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to 2.0.0-rc4"
            }
          ]
        }
      ],
      "datePublic": "2018-10-22T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress() that results in a memory corruption and probably even a remote code execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-03-01T18:57:01.000Z",
        "orgId": "897c38be-0345-43cd-b6cf-fe179e0c4f45",
        "shortName": "checkpoint"
      },
      "references": [
        {
          "name": "106938",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/106938"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/FreeRDP/FreeRDP/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d"
        },
        {
          "name": "USN-3845-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3845-1/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@checkpoint.com",
          "DATE_PUBLIC": "2018-10-22T00:00:00",
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          "STATE": "PUBLIC"
        },
        "affects": {
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                        ]
                      }
                    }
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                "vendor_name": "Check Point Software Technologies Ltd."
              }
            ]
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        },
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        "data_type": "CVE",
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
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                {
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                  "value": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
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            {
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              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/106938"
            },
            {
              "name": "https://github.com/FreeRDP/FreeRDP/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d",
              "refsource": "CONFIRM",
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            },
            {
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              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3845-1/"
            },
            {
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              "refsource": "CONFIRM",
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  },
  "cveMetadata": {
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    "datePublished": "2018-11-29T17:00:00.000Z",
    "dateReserved": "2018-03-19T00:00:00.000Z",
    "dateUpdated": "2024-09-16T20:22:24.986Z",
    "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.

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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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.

Action not permitted

CNVD-2019-00653

CVE-2018-8785 (GCVE-0-2018-8785)

Tags

Sightings

Nomenclature

Related by attack behaviour