cnvd - cnvd-2019-23074

CNVD-2019-23074

Vulnerability from cnvd - Published: 2019-07-18

Title

Libav缓冲区溢出漏洞（CNVD-2019-23074）

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 12.3版本中的vc1_block.c文件的‘vc1_decode_i_block_adv’函数存在堆缓冲区溢出漏洞，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-2018-18828 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-2018-18828"
    }
  },
  "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\n\nLibav 12.3\u7248\u672c\u4e2d\u7684vc1_block.c\u6587\u4ef6\u7684\u2018vc1_decode_i_block_adv\u2019\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\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-2019-23074",
  "openTime": "2019-07-18",
  "products": {
    "product": "Libav Libav 12.3"
  },
  "referenceLink": "http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18828\r\nhttps://bugzilla.libav.org/show_bug.cgi?id=1135",
  "serverity": "\u4e2d",
  "submitTime": "2018-11-02",
  "title": "Libav\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2019-23074\uff09"
}

CVE-2018-18828 (GCVE-0-2018-18828)

Vulnerability from cvelistv5 – Published: 2018-10-30 06:00 – Updated: 2024-08-05 11:23

Summary

There exists a heap-based buffer overflow in vc1_decode_i_block_adv in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://bugzilla.libav.org/show_bug.cgi?id=1135

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.libav.org/show_bug.cgi?id=1135"
          }
        ],
        "title": "CVE Program Container"
      }
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        "dateUpdated": "2018-10-30T05:57:01",
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      "references": [
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          "tags": [
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          "url": "https://bugzilla.libav.org/show_bug.cgi?id=1135"
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      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-18828",
          "STATE": "PUBLIC"
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        "references": {
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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}

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-2019-23074

CVE-2018-18828 (GCVE-0-2018-18828)

Tags

Sightings

Nomenclature