cnvd - cnvd-2018-06450

CNVD-2018-06450

Vulnerability from cnvd - Published: 2018-03-27

Title

Libav 'pcm_encode_frame'函数堆越界读取漏洞

Description

Libav（前身是FFmpeg）是Libav团队的一套跨平台的可对音频和视频进行录制、转换的解决方案，它包含了一个libavcodec编码器。 Libav 12.2版本中的libavcodec/pcm.c文件的'pcm_encode_frame'函数存在安全漏洞。远程攻击者可借助特制的媒体文件利用该漏洞造成拒绝服务。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://www.libav.org/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2017-18246

Impacted products

Name
Libav Libav 12.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-18246"
    }
  },
  "description": "Libav\uff08\u524d\u8eab\u662fFFmpeg\uff09\u662fLibav\u56e2\u961f\u7684\u4e00\u5957\u8de8\u5e73\u53f0\u7684\u53ef\u5bf9\u97f3\u9891\u548c\u89c6\u9891\u8fdb\u884c\u5f55\u5236\u3001\u8f6c\u6362\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u4e2alibavcodec\u7f16\u7801\u5668\u3002\r\n\r\nLibav 12.2\u7248\u672c\u4e2d\u7684libavcodec/pcm.c\u6587\u4ef6\u7684\u0027pcm_encode_frame\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u5a92\u4f53\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Mingi Cho",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://www.libav.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-06450",
  "openTime": "2018-03-27",
  "products": {
    "product": "Libav Libav 12.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-18246",
  "serverity": "\u4e2d",
  "submitTime": "2018-03-27",
  "title": "Libav \u0027pcm_encode_frame\u0027\u51fd\u6570\u5806\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e"
}

CVE-2017-18246 (GCVE-0-2017-18246)

Vulnerability from cvelistv5 – Published: 2018-03-23 19:00 – Updated: 2024-09-17 01:56

Summary

The pcm_encode_frame function in libavcodec/pcm.c in Libav 12.2 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted media file.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://bugzilla.libav.org/show_bug.cgi?id=1095

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T21:13:49.224Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.libav.org/show_bug.cgi?id=1095"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "The pcm_encode_frame function in libavcodec/pcm.c in Libav 12.2 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted media file."
        }
      ],
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          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
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      ],
      "providerMetadata": {
        "dateUpdated": "2018-03-23T19:00:00Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.libav.org/show_bug.cgi?id=1095"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-18246",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "version": {
                        "version_data": [
                          {
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                          }
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                      }
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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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            }
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        },
        "problemtype": {
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                  "value": "n/a"
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        },
        "references": {
          "reference_data": [
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              "name": "https://bugzilla.libav.org/show_bug.cgi?id=1095",
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              "url": "https://bugzilla.libav.org/show_bug.cgi?id=1095"
            }
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        }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-18246",
    "datePublished": "2018-03-23T19:00:00Z",
    "dateReserved": "2018-03-23T00:00:00Z",
    "dateUpdated": "2024-09-17T01:56:34.385Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2018-06450

CVE-2017-18246 (GCVE-0-2017-18246)

Tags

Sightings

Nomenclature