Vulnerability-Lookup

CNVD-2021-51792

Vulnerability from cnvd - Published: 2021-07-19

Title

Bento4存在未明漏洞（CNVD-2021-51792）

Description

Bento4是一款用于读写MP4文件的开源的C++库。 Bento4 存在安全漏洞，该漏洞源于Ap4TrunAtom.cpp中存在堆缓冲区溢出漏洞，攻击者可利用该漏洞导致系统崩溃和拒绝服务(DOS)。

Severity

中

Patch Name

Bento4存在未明漏洞（CNVD-2021-51792）的补丁

Patch Description

Bento4是一款用于读写MP4文件的开源的C++库。 Bento4 存在安全漏洞，该漏洞源于Ap4TrunAtom.cpp中存在堆缓冲区溢出漏洞，攻击者可利用该漏洞导致系统崩溃和拒绝服务(DOS)。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，补丁获取链接： https://github.com/axiomatic-systems/Bento4/issues/415

Reference

https://github.com/axiomatic-systems/Bento4/issues/415

Impacted products

Name
Bento4 Bento4

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2020-19721",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-19721"
    }
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  "description": "Bento4\u662f\u4e00\u6b3e\u7528\u4e8e\u8bfb\u5199MP4\u6587\u4ef6\u7684\u5f00\u6e90\u7684C++\u5e93\u3002\n\nBento4 \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eAp4TrunAtom.cpp\u4e2d\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u548c\u62d2\u7edd\u670d\u52a1(DOS)\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/axiomatic-systems/Bento4/issues/415",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-51792",
  "openTime": "2021-07-19",
  "patchDescription": "Bento4\u662f\u4e00\u6b3e\u7528\u4e8e\u8bfb\u5199MP4\u6587\u4ef6\u7684\u5f00\u6e90\u7684C++\u5e93\u3002\r\n\r\nBento4 \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eAp4TrunAtom.cpp\u4e2d\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u548c\u62d2\u7edd\u670d\u52a1(DOS)\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": "Bento4\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-51792\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Bento4 Bento4"
  },
  "referenceLink": "https://github.com/axiomatic-systems/Bento4/issues/415",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-15",
  "title": "Bento4\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-51792\uff09"
}

CVE-2020-19721 (GCVE-0-2020-19721)

Vulnerability from cvelistv5 – Published: 2021-07-13 21:33 – Updated: 2024-08-04 14:15

Summary

A heap buffer overflow vulnerability in Ap4TrunAtom.cpp of Bento 1.5.1-628 may lead to an out-of-bounds write while running mp42aac, leading to system crashes and a denial of service (DOS).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/axiomatic-systems/Bento4/issues/415	x_refsource_MISC
https://cwe.mitre.org/data/definitions/122.html	x_refsource_MISC

Show details on NVD website

JSON

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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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2021-51792

CVE-2020-19721 (GCVE-0-2020-19721)

Tags

Sightings

Nomenclature

Related by attack behaviour