CNVD-2022-04819

Vulnerability from cnvd - Published: 2022-01-18
VLAI
Title
GPAC代码问题漏洞(CNVD-2022-04819)
Description
GPAC是一款开源的多媒体框架。 GPAC 中存在代码问题漏洞,该漏洞源于产品hint_track.c文件中的gf_isom_get_payt_count函数对空指针进行引用。攻击者可通过该漏洞导致拒绝服务。
Severity
Patch Name
GPAC代码问题漏洞(CNVD-2022-04819)的补丁
Patch Description
GPAC是一款开源的多媒体框架。 GPAC 中存在代码问题漏洞,该漏洞源于产品hint_track.c文件中的gf_isom_get_payt_count函数对空指针进行引用。攻击者可通过该漏洞导致拒绝服务。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description

目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页: https://github.com/gpac/gpac

Reference
https://github.com/gpac/gpac/commit/ad18ece95fa064efc0995c4ab2c985f77fb166ec
Impacted products
Name
GPAC GPAC 1.0.1
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-40576"
    }
  },
  "description": "GPAC\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u591a\u5a92\u4f53\u6846\u67b6\u3002\n\nGPAC \u4e2d\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1hint_track.c\u6587\u4ef6\u4e2d\u7684gf_isom_get_payt_count\u51fd\u6570\u5bf9\u7a7a\u6307\u9488\u8fdb\u884c\u5f15\u7528\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://github.com/gpac/gpac",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-04819",
  "openTime": "2022-01-18",
  "patchDescription": "GPAC\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u591a\u5a92\u4f53\u6846\u67b6\u3002\r\n\r\nGPAC \u4e2d\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1hint_track.c\u6587\u4ef6\u4e2d\u7684gf_isom_get_payt_count\u51fd\u6570\u5bf9\u7a7a\u6307\u9488\u8fdb\u884c\u5f15\u7528\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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": "GPAC\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2022-04819\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "GPAC GPAC 1.0.1"
  },
  "referenceLink": "https://github.com/gpac/gpac/commit/ad18ece95fa064efc0995c4ab2c985f77fb166ec",
  "serverity": "\u4e2d",
  "submitTime": "2022-01-17",
  "title": "GPAC\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2022-04819\uff09"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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.

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