Vulnerability-Lookup

CNVD-2024-31519

Vulnerability from cnvd - Published: 2024-07-11

Title

FFmpeg越界读取漏洞（CNVD-2024-31519）

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存在越界读取漏洞，该漏洞源于read_vlc_prefix() 函数中的dist alphabet_size变量存在越界读取。攻击者可利用该漏洞读取越界内容。

Severity

中

Patch Name

FFmpeg越界读取漏洞（CNVD-2024-31519）的补丁

Patch 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存在越界读取漏洞，该漏洞源于read_vlc_prefix() 函数中的dist alphabet_size变量存在越界读取。攻击者可利用该漏洞读取越界内容。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/bf814387f42e9b0dea9d75c03db4723c88e7d962

Reference

https://nvd.nist.gov/vuln/detail/CVE-2023-46407

Impacted products

Name
FFmpeg Ffmpeg <6.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-46407",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-46407"
    }
  },
  "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\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eread_vlc_prefix() \u51fd\u6570\u4e2d\u7684dist alphabet_size\u53d8\u91cf\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u8d8a\u754c\u5185\u5bb9\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-31519",
  "openTime": "2024-07-11",
  "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\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eread_vlc_prefix() \u51fd\u6570\u4e2d\u7684dist alphabet_size\u53d8\u91cf\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u8d8a\u754c\u5185\u5bb9\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\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2024-31519\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg \u003c6.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2023-46407",
  "serverity": "\u4e2d",
  "submitTime": "2023-10-31",
  "title": "FFmpeg\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2024-31519\uff09"
}

CVE-2023-46407 (GCVE-0-2023-46407)

Vulnerability from cvelistv5 – Published: 2023-10-27 00:00 – Updated: 2024-08-02 20:45

Summary

FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/FFmpeg/FFmpeg/commit/bf814387f…
https://patchwork.ffmpeg.org/project/ffmpeg/patch…
https://patchwork.ffmpeg.org/project/ffmpeg/patch…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T20:45:41.690Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-27T19:02:39.635Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962"
        },
        {
          "url": "https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/"
        },
        {
          "url": "https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-46407",
    "datePublished": "2023-10-27T00:00:00.000Z",
    "dateReserved": "2023-10-23T00:00:00.000Z",
    "dateUpdated": "2024-08-02T20:45:41.690Z",
    "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.
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.