Vulnerability-Lookup

CNVD-2021-29115

Vulnerability from cnvd - Published: 2021-04-18

Title

Exiv2堆缓冲区溢出漏洞（CNVD-2021-29115）

Description

Exiv2是一个跨平台C++库和用于管理图像元数据的命令行实用程序。 Exiv2存在堆缓冲区溢出漏洞。该漏洞源于对jp2image.cpp中的Jp2Image::readMetadata()中的rawData.size属性的输入验证不当。攻击者可通过包含恶意EXIF数据的特制JPG图像利用该漏洞导致堆缓冲区溢出。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://bugzilla.redhat.com/show_bug.cgi?id=1946314

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-3482

Impacted products

Name
Exiv2 Exiv2 <=0.27.3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3482",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3482"
    }
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  "description": "Exiv2\u662f\u4e00\u4e2a\u8de8\u5e73\u53f0C++\u5e93\u548c\u7528\u4e8e\u7ba1\u7406\u56fe\u50cf\u5143\u6570\u636e\u7684\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f\u3002\n\nExiv2\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9jp2image.cpp\u4e2d\u7684Jp2Image::readMetadata()\u4e2d\u7684rawData.size\u5c5e\u6027\u7684\u8f93\u5165\u9a8c\u8bc1\u4e0d\u5f53\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5305\u542b\u6076\u610fEXIF\u6570\u636e\u7684\u7279\u5236JPG\u56fe\u50cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1946314",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-29115",
  "openTime": "2021-04-18",
  "products": {
    "product": "Exiv2 Exiv2 \u003c=0.27.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3482",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-09",
  "title": "Exiv2\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-29115\uff09"
}

CVE-2021-3482 (GCVE-0-2021-3482)

Vulnerability from cvelistv5 – Published: 2021-04-08 22:06 – Updated: 2024-08-03 16:53

Summary

A flaw was found in Exiv2 in versions before and including 0.27.4-RC1. Improper input validation of the rawData.size property in Jp2Image::readMetadata() in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data.

Severity

No CVSS data available.

CWE

CWE-20 - >CWE-119

Assigner

redhat redhat root

References

5 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1946314	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://www.debian.org/security/2021/dsa-4958	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
n/a	exiv2	Affected: exiv2 0.27.4RC2

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.
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CNVD-2021-29115

CVE-2021-3482 (GCVE-0-2021-3482)

Tags

Sightings

Nomenclature

Related by attack behaviour