Vulnerability-Lookup

CNVD-2021-94969

Vulnerability from cnvd - Published: 2021-12-07

Title

libheif缓冲区溢出漏洞

Description

libheif是一个ISO/IEC 23008-12:2017 HEIF文件格式解码器和编码器。 libheif 1.6.2版中的heif_colorconversion.cc中的convert_colorspace函数存在缓冲区溢出漏洞。攻击者可通过特制HEIF文件利用该漏洞导致拒绝服务及泄露敏感信息。

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://github.com/strukturag/libheif

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-23109

Impacted products

Name
struktur libheif 1.6.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-23109",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-23109"
    }
  },
  "description": "libheif\u662f\u4e00\u4e2aISO/IEC 23008-12:2017 HEIF\u6587\u4ef6\u683c\u5f0f\u89e3\u7801\u5668\u548c\u7f16\u7801\u5668\u3002\n\nlibheif 1.6.2\u7248\u4e2d\u7684heif_colorconversion.cc\u4e2d\u7684convert_colorspace\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236HEIF\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u53ca\u6cc4\u9732\u654f\u611f\u4fe1\u606f\u3002",
  "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://github.com/strukturag/libheif",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-94969",
  "openTime": "2021-12-07",
  "products": {
    "product": "struktur libheif 1.6.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-23109",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-04",
  "title": "libheif\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-23109 (GCVE-0-2020-23109)

Vulnerability from cvelistv5 – Published: 2021-11-03 16:07 – Updated: 2024-08-04 14:58

Summary

Buffer overflow vulnerability in function convert_colorspace in heif_colorconversion.cc in libheif v1.6.2, allows attackers to cause a denial of service and disclose sensitive information, via a crafted HEIF file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/strukturag/libheif/issues/207	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.