Vulnerability-Lookup

CNVD-2019-22626

Vulnerability from cnvd - Published: 2019-07-15

Title

FFmpeg未初始化变量使用漏洞

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 3.2.14之前版本存在未初始化变量使用漏洞。该漏洞源于FFmpeg中的libavformat/aadec.c中的aa_read_header不检查sscanf失败。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

FFmpeg未初始化变量使用漏洞的补丁

Patch Description

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/FFmpeg/FFmpeg/commit/ed188f6dcdf0935c939ed813cf8745d50742014b

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-12730

Impacted products

Name
FFmpeg FFmpeg <3.2.14

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-12730"
    }
  },
  "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 3.2.14\u4e4b\u524d\u7248\u672c\u5b58\u5728\u672a\u521d\u59cb\u5316\u53d8\u91cf\u4f7f\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eFFmpeg\u4e2d\u7684libavformat/aadec.c\u4e2d\u7684aa_read_header\u4e0d\u68c0\u67e5sscanf\u5931\u8d25\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "discovererName": "Michael Niedermayer",
  "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/FFmpeg/FFmpeg/commit/ed188f6dcdf0935c939ed813cf8745d50742014b",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-22626",
  "openTime": "2019-07-15",
  "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 3.2.14\u4e4b\u524d\u7248\u672c\u5b58\u5728\u672a\u521d\u59cb\u5316\u53d8\u91cf\u4f7f\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eFFmpeg\u4e2d\u7684libavformat/aadec.c\u4e2d\u7684aa_read_header\u4e0d\u68c0\u67e5sscanf\u5931\u8d25\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": "FFmpeg\u672a\u521d\u59cb\u5316\u53d8\u91cf\u4f7f\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg FFmpeg \u003c3.2.14"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-12730",
  "serverity": "\u9ad8",
  "submitTime": "2019-06-05",
  "title": "FFmpeg\u672a\u521d\u59cb\u5316\u53d8\u91cf\u4f7f\u7528\u6f0f\u6d1e"
}

CVE-2019-12730 (GCVE-0-2019-12730)

Vulnerability from cvelistv5 – Published: 2019-06-04 13:14 – Updated: 2024-08-04 23:32

Summary

aa_read_header in libavformat/aadec.c in FFmpeg before 3.2.14 and 4.x before 4.1.4 does not check for sscanf failure and consequently allows use of uninitialized variables.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
https://github.com/FFmpeg/FFmpeg/commit/ed188f6dc…	x_refsource_MISC
https://github.com/FFmpeg/FFmpeg/compare/a97ea53.…	x_refsource_MISC
https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog…	x_refsource_CONFIRM
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/9…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/109317	vdb-entryx_refsource_BID
https://seclists.org/bugtraq/2019/Aug/30	mailing-listx_refsource_BUGTRAQ
https://www.debian.org/security/2019/dsa-4502	vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/202003-65	vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4431-1/	vendor-advisoryx_refsource_UBUNTU

Show details on NVD website

JSON

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{
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            "url": "https://github.com/FFmpeg/FFmpeg/compare/a97ea53...ba11e40"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n4.1.4"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
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            "url": "https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/9b4004c054964a49c7ba44583f4cee22486dd8f2"
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          },
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            "url": "https://usn.ubuntu.com/4431-1/"
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          "tags": [
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            "x_refsource_BID"
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          "url": "http://www.securityfocus.com/bid/109317"
        },
        {
          "name": "20190816 [SECURITY] [DSA 4502-1] ffmpeg security update",
          "tags": [
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            "x_refsource_BUGTRAQ"
          ],
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          "name": "DSA-4502",
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    "dateUpdated": "2024-08-04T23:32:54.100Z",
    "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.

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.

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CNVD-2019-22626

CVE-2019-12730 (GCVE-0-2019-12730)

Tags

Sightings

Nomenclature

Related by attack behaviour