cnvd - cnvd-2019-23075

cnvd-2019-23075

Vulnerability from cnvd

Title: Libav缓冲区越界读取漏洞

Description:

Libav是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 12.3版本，vc1_block.c文件的‘ff_vc1_pred_dc’函数存在堆缓冲区越界读取漏洞，攻击者可借助特制的aac文件利用该漏洞造成拒绝服务。

Severity: 中

Formal description:

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://libav.org/

Reference: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18827 https://bugzilla.libav.org/show_bug.cgi?id=1135

Impacted products

Name
Libav Libav 12.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-18827"
    }
  },
  "description": "Libav\u662f\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\n\nLibav 12.3\u7248\u672c\uff0cvc1_block.c\u6587\u4ef6\u7684\u2018ff_vc1_pred_dc\u2019\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684aac\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "rookie",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://libav.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-23075",
  "openTime": "2019-07-18",
  "products": {
    "product": "Libav Libav 12.3"
  },
  "referenceLink": "http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18827\r\nhttps://bugzilla.libav.org/show_bug.cgi?id=1135",
  "serverity": "\u4e2d",
  "submitTime": "2018-11-02",
  "title": "Libav\u7f13\u51b2\u533a\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e"
}

CVE-2018-18827 (GCVE-0-2018-18827)

Vulnerability from cvelistv5

Published

2018-10-30 06:00

Modified

2024-08-05 11:23

Severity ?

CWE

Summary

There exists a heap-based buffer over-read in ff_vc1_pred_dc in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.

References

▼	URL	Tags
	https://bugzilla.libav.org/show_bug.cgi?id=1135	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:23:08.254Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.libav.org/show_bug.cgi?id=1135"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-10-29T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "There exists a heap-based buffer over-read in ff_vc1_pred_dc in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-10-30T05:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.libav.org/show_bug.cgi?id=1135"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-18827",
          "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": "There exists a heap-based buffer over-read in ff_vc1_pred_dc in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.libav.org/show_bug.cgi?id=1135",
              "refsource": "MISC",
              "url": "https://bugzilla.libav.org/show_bug.cgi?id=1135"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-18827",
    "datePublished": "2018-10-30T06:00:00",
    "dateReserved": "2018-10-29T00:00:00",
    "dateUpdated": "2024-08-05T11:23:08.254Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted