Vulnerability-Lookup

CNVD-2017-07535

Vulnerability from cnvd - Published: 2017-05-26

Title

Libav拒绝服务漏洞（CNVD-2017-07535）

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 12.1之前的版本中的libavformat/nsvdec.c文件的‘nsv_read_chunk’函数存在拒绝服务漏洞，由于空指针逆向引用，攻击者可利用该漏洞造成拒绝服务。

Severity

低

Patch Name

Libav拒绝服务漏洞（CNVD-2017-07535）的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24

Reference

https://bugzilla.libav.org/show_bug.cgi?id=1039

Impacted products

Name
Libav Libav <12.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9051"
    }
  },
  "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 12.1\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684libavformat/nsvdec.c\u6587\u4ef6\u7684\u2018nsv_read_chunk\u2019\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u7531\u4e8e\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Marcel Boehme",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-07535",
  "openTime": "2017-05-26",
  "patchDescription": "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 12.1\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684libavformat/nsvdec.c\u6587\u4ef6\u7684\u2018nsv_read_chunk\u2019\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u7531\u4e8e\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\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": "Libav\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-07535\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Libav Libav \u003c12.1"
  },
  "referenceLink": "https://bugzilla.libav.org/show_bug.cgi?id=1039",
  "serverity": "\u4f4e",
  "submitTime": "2017-05-22",
  "title": "Libav\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-07535\uff09"
}

CVE-2017-9051 (GCVE-0-2017-9051)

Vulnerability from cvelistv5 – Published: 2017-05-18 06:13 – Updated: 2024-08-05 16:55

Summary

libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

3 references

URL	Tags
https://bugzilla.libav.org/show_bug.cgi?id=1039	x_refsource_MISC
http://www.securityfocus.com/bid/98548	vdb-entryx_refsource_BID
https://github.com/libav/libav/commit/fe6eea99efa…	x_refsource_MISC

Date Public

2017-05-18 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:55:21.641Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.libav.org/show_bug.cgi?id=1039"
          },
          {
            "name": "98548",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/98548"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-05-18T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-05-24T09:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.libav.org/show_bug.cgi?id=1039"
        },
        {
          "name": "98548",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/98548"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-9051",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.libav.org/show_bug.cgi?id=1039",
              "refsource": "MISC",
              "url": "https://bugzilla.libav.org/show_bug.cgi?id=1039"
            },
            {
              "name": "98548",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/98548"
            },
            {
              "name": "https://github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24",
              "refsource": "MISC",
              "url": "https://github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-9051",
    "datePublished": "2017-05-18T06:13:00.000Z",
    "dateReserved": "2017-05-18T00:00:00.000Z",
    "dateUpdated": "2024-08-05T16:55:21.641Z",
    "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.

Action not permitted

CNVD-2017-07535

CVE-2017-9051 (GCVE-0-2017-9051)

Tags

Sightings

Nomenclature