CNVD-2021-62174

Vulnerability from cnvd - Published: 2021-08-16
VLAI
Title
Exiv2存在未明漏洞（CNVD-2021-62174）
Description
Exiv2是一套用于管理图像元数据的C++库和命令行应用程序。该产品提供了读取和写入EXIF、IPTC和XMP等多种格式图像元数据的功能。 Exiv2 0.27.1版本存在安全漏洞，该漏洞源于Exiv2的getUShort函数中的整数溢出，攻击者可利用该漏洞导致应用程序内出现分段错误，从而导致拒绝服务。
Severity
低
Patch Name
Exiv2存在未明漏洞（CNVD-2021-62174）的补丁
Patch Description
Exiv2是一套用于管理图像元数据的C++库和命令行应用程序。该产品提供了读取和写入EXIF、IPTC和XMP等多种格式图像元数据的功能。 Exiv2 0.27.1版本存在安全漏洞，该漏洞源于Exiv2的getUShort函数中的整数溢出，攻击者可利用该漏洞导致应用程序内出现分段错误，从而导致拒绝服务。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/Exiv2/exiv2

Reference
https://github.com/Exiv2/exiv2
Impacted products
Name
Exiv2 Exiv2 0.27.1
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-19715",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-19715"
    }
  },
  "description": "Exiv2\u662f\u4e00\u5957\u7528\u4e8e\u7ba1\u7406\u56fe\u50cf\u5143\u6570\u636e\u7684C++\u5e93\u548c\u547d\u4ee4\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u8be5\u4ea7\u54c1\u63d0\u4f9b\u4e86\u8bfb\u53d6\u548c\u5199\u5165EXIF\u3001IPTC\u548cXMP\u7b49\u591a\u79cd\u683c\u5f0f\u56fe\u50cf\u5143\u6570\u636e\u7684\u529f\u80fd\u3002\n\nExiv2 0.27.1\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eExiv2\u7684getUShort\u51fd\u6570\u4e2d\u7684\u6574\u6570\u6ea2\u51fa\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5185\u51fa\u73b0\u5206\u6bb5\u9519\u8bef\uff0c\u4ece\u800c\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/Exiv2/exiv2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-62174",
  "openTime": "2021-08-16",
  "patchDescription": "Exiv2\u662f\u4e00\u5957\u7528\u4e8e\u7ba1\u7406\u56fe\u50cf\u5143\u6570\u636e\u7684C++\u5e93\u548c\u547d\u4ee4\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u8be5\u4ea7\u54c1\u63d0\u4f9b\u4e86\u8bfb\u53d6\u548c\u5199\u5165EXIF\u3001IPTC\u548cXMP\u7b49\u591a\u79cd\u683c\u5f0f\u56fe\u50cf\u5143\u6570\u636e\u7684\u529f\u80fd\u3002\r\n\r\nExiv2 0.27.1\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eExiv2\u7684getUShort\u51fd\u6570\u4e2d\u7684\u6574\u6570\u6ea2\u51fa\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5185\u51fa\u73b0\u5206\u6bb5\u9519\u8bef\uff0c\u4ece\u800c\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": "Exiv2\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-62174\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Exiv2 Exiv2 0.27.1"
  },
  "referenceLink": "https://github.com/Exiv2/exiv2",
  "serverity": "\u4f4e",
  "submitTime": "2021-07-16",
  "title": "Exiv2\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-62174\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

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.


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.