Vulnerability-Lookup

CNVD-2021-39938

Vulnerability from cnvd - Published: 2021-05-31

Title

exiftool注入漏洞

Description

exiftool是一个应用软件。使元数据更易于访问。 ExifTool versions 7.44版本及之前版本存在注入漏洞，攻击者可利用该漏洞在解析恶意图像时任意执行代码。

Severity

中

Patch Name

exiftool注入漏洞的补丁

Patch Description

exiftool是一个应用软件。使元数据更易于访问。 ExifTool versions 7.44版本及之前版本存在注入漏洞，攻击者可利用该漏洞在解析恶意图像时任意执行代码。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b1df16c1e992931d3bb717a7e36157596b76bdadb3800

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-22204

Impacted products

Name
exiftool exiftool <=7.44

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-22204",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-22204"
    }
  },
  "description": "exiftool\u662f\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u4f7f\u5143\u6570\u636e\u66f4\u6613\u4e8e\u8bbf\u95ee\u3002\n\nExifTool versions 7.44\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u6ce8\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u89e3\u6790\u6076\u610f\u56fe\u50cf\u65f6\u4efb\u610f\u6267\u884c\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031#diff-fa0d652d10dbcd246e6b1df16c1e992931d3bb717a7e36157596b76bdadb3800",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-39938",
  "openTime": "2021-05-31",
  "patchDescription": "exiftool\u662f\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u4f7f\u5143\u6570\u636e\u66f4\u6613\u4e8e\u8bbf\u95ee\u3002\r\n\r\nExifTool versions 7.44\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u6ce8\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u89e3\u6790\u6076\u610f\u56fe\u50cf\u65f6\u4efb\u610f\u6267\u884c\u4ee3\u7801\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": "exiftool\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "exiftool exiftool \u003c=7.44"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-22204",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-25",
  "title": "exiftool\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-22204 (GCVE-0-2021-22204)

Vulnerability from cvelistv5 – Published: 2021-04-23 17:22 – Updated: 2025-10-21 23:25

Summary

Improper neutralization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code execution when parsing the malicious image

Severity

6.8 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

SSVC

Exploitation: active Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-06 19:49 UTC

CWE

Improper neutralization of directives in dynamically evaluated code ('eval injection') in ExifTool
CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

GitLab mitre root

References

15 references

URL	Tags
https://github.com/exiftool/exiftool/commit/cf0f4…	x_refsource_MISC
https://hackerone.com/reports/1154542	x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/…	x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4910	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2021/05/09/1	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/05/10/5	mailing-listx_refsource_MLIST
http://packetstormsecurity.com/files/162558/ExifT…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST
http://packetstormsecurity.com/files/164768/GitLa…	x_refsource_MISC
http://packetstormsecurity.com/files/164994/GitLa…	x_refsource_MISC
http://packetstormsecurity.com/files/167038/ExifT…	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
ExifTool	ExifTool	Affected: >=7.44, <12.24

Credits

Thanks vakzz for reporting this vulnerability through the GitLab HackerOne bug bounty program who then reported it to the ExifTool maintainer

Show details on NVD website

JSON

To clipboard

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            },
            {
              "name": "[oss-security] 20210509 [CVE-2021-22204] ExifTool - Arbitrary code execution in the DjVu module when parsing a malicious image",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/05/09/1"
            },
            {
              "name": "[oss-security] 20210510 Re: [CVE-2021-22204] ExifTool - Arbitrary code execution in the DjVu module when parsing a malicious image",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/05/10/5"
            },
            {
              "name": "http://packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.html"
            },
            {
              "name": "[debian-lts-announce] 20210516 [SECURITY] [DLA 2663-1] libimage-exiftool-perl security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00018.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Injection.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2021-22204",
    "datePublished": "2021-04-23T17:22:15.000Z",
    "dateReserved": "2021-01-05T00:00:00.000Z",
    "dateUpdated": "2025-10-21T23:25:48.455Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2021-39938

CVE-2021-22204 (GCVE-0-2021-22204)

Tags

Sightings

Nomenclature

Related by attack behaviour