Vulnerability-Lookup

CNVD-2024-20776

Vulnerability from cnvd - Published: 2024-04-28

Title

FreeRDP内存破坏漏洞（CNVD-2024-20776）

Description

FreeRDP是一款实现远程桌面协议的免费软件，它主要用于远程连接和管理Windows服务器。 FreeRDP在3.5.1之前的版本中存在内存破坏漏洞，恶意服务器可以通过发送无效的巨大内存分配大小来使FreeRDP客户端崩溃，3.5.1版本包含了针对该问题的补丁。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

FreeRDP内存破坏漏洞（CNVD-2024-20776）的补丁

Patch Description

FreeRDP是一款实现远程桌面协议的免费软件，它主要用于远程连接和管理Windows服务器。 FreeRDP在3.5.1之前的版本中存在内存破坏漏洞，恶意服务器可以通过发送无效的巨大内存分配大小来使FreeRDP客户端崩溃，3.5.1版本包含了针对该问题的补丁。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://www.freerdp.com/

Reference

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxv6-2cw6-m3mx

Impacted products

Name
FreeRDP FreeRDP <3.5.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-32660",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-32660"
    }
  },
  "description": "FreeRDP\u662f\u4e00\u6b3e\u5b9e\u73b0\u8fdc\u7a0b\u684c\u9762\u534f\u8bae\u7684\u514d\u8d39\u8f6f\u4ef6\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u8fdc\u7a0b\u8fde\u63a5\u548c\u7ba1\u7406Windows\u670d\u52a1\u5668\u3002\n\nFreeRDP\u57283.5.1\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff0c\u6076\u610f\u670d\u52a1\u5668\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u65e0\u6548\u7684\u5de8\u5927\u5185\u5b58\u5206\u914d\u5927\u5c0f\u6765\u4f7fFreeRDP\u5ba2\u6237\u7aef\u5d29\u6e83\uff0c3.5.1\u7248\u672c\u5305\u542b\u4e86\u9488\u5bf9\u8be5\u95ee\u9898\u7684\u8865\u4e01\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://www.freerdp.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-20776",
  "openTime": "2024-04-28",
  "patchDescription": "FreeRDP\u662f\u4e00\u6b3e\u5b9e\u73b0\u8fdc\u7a0b\u684c\u9762\u534f\u8bae\u7684\u514d\u8d39\u8f6f\u4ef6\uff0c\u5b83\u4e3b\u8981\u7528\u4e8e\u8fdc\u7a0b\u8fde\u63a5\u548c\u7ba1\u7406Windows\u670d\u52a1\u5668\u3002\r\n\r\nFreeRDP\u57283.5.1\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff0c\u6076\u610f\u670d\u52a1\u5668\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u65e0\u6548\u7684\u5de8\u5927\u5185\u5b58\u5206\u914d\u5927\u5c0f\u6765\u4f7fFreeRDP\u5ba2\u6237\u7aef\u5d29\u6e83\uff0c3.5.1\u7248\u672c\u5305\u542b\u4e86\u9488\u5bf9\u8be5\u95ee\u9898\u7684\u8865\u4e01\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": "FreeRDP\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff08CNVD-2024-20776\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FreeRDP FreeRDP \u003c3.5.1"
  },
  "referenceLink": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxv6-2cw6-m3mx",
  "serverity": "\u9ad8",
  "submitTime": "2024-04-24",
  "title": "FreeRDP\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff08CNVD-2024-20776\uff09"
}

CVE-2024-32660 (GCVE-0-2024-32660)

Vulnerability from cvelistv5 – Published: 2024-04-23 20:03 – Updated: 2025-11-03 20:37

Title

FreeRDP zgfx_decompress out of memory vulnerability

Summary

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.5.1, a malicious server can crash the FreeRDP client by sending invalid huge allocation size. Version 3.5.1 contains a patch for the issue. No known workarounds are available.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-04-24 13:13 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M mitre root

References

8 references

URL	Tags
https://github.com/FreeRDP/FreeRDP/security/advis…	x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/commit/5e5d27c…	x_refsource_MISC
https://oss-fuzz.com/testcase-detail/5559242514825216	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
FreeRDP	FreeRDP	Affected: < 3.5.1
freerdp	freerdp	Affected: 0 , ≤ 3.5.1 (semver) cpe:2.3:a:freerdp:freerdp:-:::::::*

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:freerdp:freerdp:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "freerdp",
            "vendor": "freerdp",
            "versions": [
              {
                "lessThanOrEqual": "3.5.1",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-32660",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-24T13:13:12.257530Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:50:42.566Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T20:37:27.005Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxv6-2cw6-m3mx",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxv6-2cw6-m3mx"
          },
          {
            "name": "https://github.com/FreeRDP/FreeRDP/commit/5e5d27cf310e4c10b854be7667bfb7a5d774eb47",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/FreeRDP/FreeRDP/commit/5e5d27cf310e4c10b854be7667bfb7a5d774eb47"
          },
          {
            "name": "https://oss-fuzz.com/testcase-detail/5559242514825216",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://oss-fuzz.com/testcase-detail/5559242514825216"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKI4UISUXYNBPN4K6TIQKDRTIJ6CDCKJ/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7SIS6NUNLUBOV4CPCSWKDE6T6C2W3WTR/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PX3U6YPZQ7PEJBVKSBUOLWVH7DHROHY5/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5JL476WVJSIE7SBUKVJRVA6A52V2HOLZ/"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FreeRDP",
          "vendor": "FreeRDP",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.5.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.5.1, a malicious server can crash the FreeRDP client by sending invalid huge allocation size. Version 3.5.1 contains a patch for the issue. No known workarounds are available."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-06-10T16:10:02.623Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxv6-2cw6-m3mx",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxv6-2cw6-m3mx"
        },
        {
          "name": "https://github.com/FreeRDP/FreeRDP/commit/5e5d27cf310e4c10b854be7667bfb7a5d774eb47",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/FreeRDP/FreeRDP/commit/5e5d27cf310e4c10b854be7667bfb7a5d774eb47"
        },
        {
          "name": "https://oss-fuzz.com/testcase-detail/5559242514825216",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://oss-fuzz.com/testcase-detail/5559242514825216"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKI4UISUXYNBPN4K6TIQKDRTIJ6CDCKJ/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7SIS6NUNLUBOV4CPCSWKDE6T6C2W3WTR/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PX3U6YPZQ7PEJBVKSBUOLWVH7DHROHY5/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5JL476WVJSIE7SBUKVJRVA6A52V2HOLZ/"
        }
      ],
      "source": {
        "advisory": "GHSA-mxv6-2cw6-m3mx",
        "discovery": "UNKNOWN"
      },
      "title": "FreeRDP zgfx_decompress out of memory vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-32660",
    "datePublished": "2024-04-23T20:03:28.529Z",
    "dateReserved": "2024-04-16T14:15:26.877Z",
    "dateUpdated": "2025-11-03T20:37:27.005Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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.

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CNVD-2024-20776

CVE-2024-32660 (GCVE-0-2024-32660)

Tags

Sightings

Nomenclature

Related by attack behaviour