Vulnerability-Lookup

CNVD-2018-08525

Vulnerability from cnvd - Published: 2018-04-27

Title

Ffmpeg拒绝服务漏洞（CNVD-2018-08525）

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 3.4.2及更早版本中的libavfilter/vf_signature.c的export函数存在拒绝服务漏洞。远程攻击者可通过长文件名利用该漏洞导致拒绝服务（数组越界访问）或可能造成其他影响。

Severity

中

Patch Name

Ffmpeg拒绝服务漏洞（CNVD-2018-08525）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： http://git.videolan.org/?p=ffmpeg.git;a=commit;h=35eeff30caf34df835206f1c12bcf4b7c2bd6758

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-9841

Impacted products

Name
FFmpeg Ffmpeg <=3.4.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-9841"
    }
  },
  "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\r\n\r\nFfmpeg 3.4.2\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684libavfilter/vf_signature.c\u7684export\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u957f\u6587\u4ef6\u540d\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u6570\u7ec4\u8d8a\u754c\u8bbf\u95ee\uff09\u6216\u53ef\u80fd\u9020\u6210\u5176\u4ed6\u5f71\u54cd\u3002",
  "discovererName": "unknow",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://git.videolan.org/?p=ffmpeg.git;a=commit;h=35eeff30caf34df835206f1c12bcf4b7c2bd6758",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-08525",
  "openTime": "2018-04-27",
  "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 3.4.2\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684libavfilter/vf_signature.c\u7684export\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u957f\u6587\u4ef6\u540d\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u6570\u7ec4\u8d8a\u754c\u8bbf\u95ee\uff09\u6216\u53ef\u80fd\u9020\u6210\u5176\u4ed6\u5f71\u54cd\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-08525\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg \u003c=3.4.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-9841",
  "serverity": "\u4e2d",
  "submitTime": "2018-04-08",
  "title": "Ffmpeg\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-08525\uff09"
}

CVE-2018-9841 (GCVE-0-2018-9841)

Vulnerability from cvelistv5 – Published: 2018-04-07 07:00 – Updated: 2024-08-05 07:24

Summary

The export function in libavfilter/vf_signature.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via a long filename.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%…	x_refsource_MISC
https://security.gentoo.org/glsa/202003-65	vendor-advisoryx_refsource_GENTOO

Date Public

2018-04-07 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T07:24:56.231Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
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            "tags": [
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              "x_transferred"
            ],
            "url": "http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=35eeff30caf34df835206f1c12bcf4b7c2bd6758"
          },
          {
            "name": "GLSA-202003-65",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202003-65"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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            }
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      ],
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      "descriptions": [
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        }
      ],
      "problemTypes": [
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              "lang": "en",
              "type": "text"
            }
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      "providerMetadata": {
        "dateUpdated": "2020-03-30T16:06:12.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=35eeff30caf34df835206f1c12bcf4b7c2bd6758"
        },
        {
          "name": "GLSA-202003-65",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202003-65"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-9841",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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                },
                "vendor_name": "n/a"
              }
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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        "problemtype": {
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "datePublished": "2018-04-07T07:00:00.000Z",
    "dateReserved": "2018-04-07T00:00:00.000Z",
    "dateUpdated": "2024-08-05T07:24:56.231Z",
    "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.