Vulnerability-Lookup

CNVD-2020-52694

Vulnerability from cnvd - Published: 2020-09-18

Title

FFmpeg缓冲区溢出漏洞（CNVD-2020-52694）

Description

FFmpeg是FFmpeg团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 4.3及之前版本中的libavformat/aviobuf.c文件的avio_get_str存在缓冲区溢出漏洞，该漏洞源于程序未能进行正确的边界检查。远程攻击者可利用该漏洞在系统上执行任意代码或导致应用程序崩溃。

Severity

中

Patch Name

FFmpeg缓冲区溢出漏洞（CNVD-2020-52694）的补丁

Patch Description

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://trac.ffmpeg.org/ticket/8716

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-14212

Impacted products

Name
FFmpeg Ffmpeg <=4.3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-14212"
    }
  },
  "description": "FFmpeg\u662fFFmpeg\u56e2\u961f\u7684\u4e00\u5957\u53ef\u5f55\u5236\u3001\u8f6c\u6362\u4ee5\u53ca\u6d41\u5316\u97f3\u89c6\u9891\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\n\nFFmpeg 4.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684libavformat/aviobuf.c\u6587\u4ef6\u7684avio_get_str\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u8fdb\u884c\u6b63\u786e\u7684\u8fb9\u754c\u68c0\u67e5\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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://trac.ffmpeg.org/ticket/8716",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-52694",
  "openTime": "2020-09-18",
  "patchDescription": "FFmpeg\u662fFFmpeg\u56e2\u961f\u7684\u4e00\u5957\u53ef\u5f55\u5236\u3001\u8f6c\u6362\u4ee5\u53ca\u6d41\u5316\u97f3\u89c6\u9891\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\nFFmpeg 4.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684libavformat/aviobuf.c\u6587\u4ef6\u7684avio_get_str\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u8fdb\u884c\u6b63\u786e\u7684\u8fb9\u754c\u68c0\u67e5\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "FFmpeg\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-52694\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg \u003c=4.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-14212",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-17",
  "title": "FFmpeg\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-52694\uff09"
}

CVE-2020-14212 (GCVE-0-2020-14212)

Vulnerability from cvelistv5 – Published: 2020-06-16 21:57 – Updated: 2024-08-04 12:39

Summary

FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://trac.ffmpeg.org/ticket/8716	x_refsource_MISC
https://patchwork.ffmpeg.org/project/ffmpeg/list/…	x_refsource_MISC
https://security.gentoo.org/glsa/202007-58	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:39:36.158Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://trac.ffmpeg.org/ticket/8716"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=1463"
          },
          {
            "name": "GLSA-202007-58",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202007-58"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-07-28T21:06:18.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://trac.ffmpeg.org/ticket/8716"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=1463"
        },
        {
          "name": "GLSA-202007-58",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202007-58"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-14212",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "lang": "eng",
              "value": "FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted."
            }
          ]
        },
        "problemtype": {
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              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://trac.ffmpeg.org/ticket/8716",
              "refsource": "MISC",
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            },
            {
              "name": "https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=1463",
              "refsource": "MISC",
              "url": "https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=1463"
            },
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              "refsource": "GENTOO",
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            }
          ]
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      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-14212",
    "datePublished": "2020-06-16T21:57:50.000Z",
    "dateReserved": "2020-06-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:39:36.158Z",
    "state": "PUBLISHED"
  },
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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.

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.

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CNVD-2020-52694

CVE-2020-14212 (GCVE-0-2020-14212)

Tags

Sightings

Nomenclature

Related by attack behaviour