cnvd - cnvd-2021-01542

cnvd-2021-01542

Vulnerability from cnvd

Title: FFmpeg越界写入漏洞

Description:

FFmpeg是一套可以用来记录、转换数字音频、视频，并能将其转化为流的开源计算机程序，采用LGPL或GPL许可证。

FFmpeg 4.3.1中的libavformat/vividas.c中的track_header存在越界写入漏洞。该漏洞源于extradata打包未能正确。攻击者可利用该漏洞导致拒绝服务。

Severity: 中

Patch Name: FFmpeg越界写入漏洞的补丁

Patch Description:

FFmpeg是一套可以用来记录、转换数字音频、视频，并能将其转化为流的开源计算机程序，采用LGPL或GPL许可证。

FFmpeg 4.3.1中的libavformat/vividas.c中的track_header存在越界写入漏洞。该漏洞源于extradata打包未能正确。攻击者可利用该漏洞导致拒绝服务。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:

厂商已发布了漏洞修复程序，请及时关注更新：https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-35964

Impacted products

Name
FFmpeg Ffmpeg 4.3.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-35964",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-35964"
    }
  },
  "description": "FFmpeg\u662f\u4e00\u5957\u53ef\u4ee5\u7528\u6765\u8bb0\u5f55\u3001\u8f6c\u6362\u6570\u5b57\u97f3\u9891\u3001\u89c6\u9891\uff0c\u5e76\u80fd\u5c06\u5176\u8f6c\u5316\u4e3a\u6d41\u7684\u5f00\u6e90\u8ba1\u7b97\u673a\u7a0b\u5e8f\uff0c\u91c7\u7528LGPL\u6216GPL\u8bb8\u53ef\u8bc1\u3002\n\nFFmpeg 4.3.1\u4e2d\u7684libavformat/vividas.c\u4e2d\u7684track_header\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eextradata\u6253\u5305\u672a\u80fd\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1ahttps://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-01542",
  "openTime": "2021-01-08",
  "patchDescription": "FFmpeg\u662f\u4e00\u5957\u53ef\u4ee5\u7528\u6765\u8bb0\u5f55\u3001\u8f6c\u6362\u6570\u5b57\u97f3\u9891\u3001\u89c6\u9891\uff0c\u5e76\u80fd\u5c06\u5176\u8f6c\u5316\u4e3a\u6d41\u7684\u5f00\u6e90\u8ba1\u7b97\u673a\u7a0b\u5e8f\uff0c\u91c7\u7528LGPL\u6216GPL\u8bb8\u53ef\u8bc1\u3002\r\n\r\nFFmpeg 4.3.1\u4e2d\u7684libavformat/vividas.c\u4e2d\u7684track_header\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eextradata\u6253\u5305\u672a\u80fd\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg 4.3.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-35964",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-04",
  "title": "FFmpeg\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e"
}

CVE-2020-35964 (GCVE-0-2020-35964)

Vulnerability from cvelistv5

Published

2021-01-03 18:57

Modified

2024-08-04 17:16

Severity ?

CWE

Summary

track_header in libavformat/vividas.c in FFmpeg 4.3.1 has an out-of-bounds write because of incorrect extradata packing.

References

▼	URL	Tags
	https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7	x_refsource_MISC
	https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26622	x_refsource_MISC
	https://security.gentoo.org/glsa/202105-24	vendor-advisory, x_refsource_GENTOO

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:16:13.457Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            ],
            "url": "https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26622"
          },
          {
            "name": "GLSA-202105-24",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202105-24"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "track_header in libavformat/vividas.c in FFmpeg 4.3.1 has an out-of-bounds write because of incorrect extradata packing."
        }
      ],
      "problemTypes": [
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            }
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      "providerMetadata": {
        "dateUpdated": "2021-05-26T11:08:43",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "tags": [
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          ],
          "url": "https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26622"
        },
        {
          "name": "GLSA-202105-24",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202105-24"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-35964",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
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        "data_format": "MITRE",
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            },
            {
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            },
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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