cnvd - cnvd-2021-43548

cnvd-2021-43548

Vulnerability from cnvd

Title: Exif空指针解引用漏洞

Description:

Exif是一款小型命令行实用程序，用于显示隐藏在JPEG文件中的EXIF信息。

Exif 0.6.22及更早版中的"actions.c"库存在空指针解引用漏洞。攻击者可通过上传恶意JPEG文件利用该漏洞导致应用程序崩溃。

Severity: 中

Patch Name: Exif空指针解引用漏洞的补丁

Patch Description:

Exif是一款小型命令行实用程序，用于显示隐藏在JPEG文件中的EXIF信息。

Exif 0.6.22及更早版中的"actions.c"库存在空指针解引用漏洞。攻击者可通过上传恶意JPEG文件利用该漏洞导致应用程序崩溃。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/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-27815

Impacted products

Name
Exif Exif <=0.6.22

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27815",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27815"
    }
  },
  "description": "Exif\u662f\u4e00\u6b3e\u5c0f\u578b\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f\uff0c\u7528\u4e8e\u663e\u793a\u9690\u85cf\u5728JPEG\u6587\u4ef6\u4e2d\u7684EXIF\u4fe1\u606f\u3002\n\nExif 0.6.22\u53ca\u66f4\u65e9\u7248\u4e2d\u7684\"actions.c\"\u5e93\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e0a\u4f20\u6076\u610fJPEG\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-43548",
  "openTime": "2021-06-21",
  "patchDescription": "Exif\u662f\u4e00\u6b3e\u5c0f\u578b\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f\uff0c\u7528\u4e8e\u663e\u793a\u9690\u85cf\u5728JPEG\u6587\u4ef6\u4e2d\u7684EXIF\u4fe1\u606f\u3002\r\n\r\nExif 0.6.22\u53ca\u66f4\u65e9\u7248\u4e2d\u7684\"actions.c\"\u5e93\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e0a\u4f20\u6076\u610fJPEG\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "Exif\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Exif Exif \u003c=0.6.22"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-27815",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-15",
  "title": "Exif\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2021-27815 (GCVE-0-2021-27815)

Vulnerability from cvelistv5

Published

2021-04-14 00:00

Modified

2024-08-03 21:33

Severity ?

CWE

Summary

NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.

References

▼	URL	Tags
	https://github.com/libexif/exif/issues/4
	https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c
	https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648fa
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/	vendor-advisory
	https://security.gentoo.org/glsa/202210-28	vendor-advisory

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:33:15.890Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/libexif/exif/issues/4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648fa"
          },
          {
            "name": "FEDORA-2021-04f7b000fa",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/"
          },
          {
            "name": "FEDORA-2021-477809f45f",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/"
          },
          {
            "name": "FEDORA-2021-b2bd2b1d13",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/"
          },
          {
            "name": "GLSA-202210-28",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202210-28"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-31T00:00:00",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      "references": [
        {
          "url": "https://github.com/libexif/exif/issues/4"
        },
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          "url": "https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c"
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        },
        {
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          "tags": [
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          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/"
        },
        {
          "name": "FEDORA-2021-477809f45f",
          "tags": [
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          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/"
        },
        {
          "name": "FEDORA-2021-b2bd2b1d13",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/"
        },
        {
          "name": "GLSA-202210-28",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202210-28"
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    }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-27815",
    "datePublished": "2021-04-14T00:00:00",
    "dateReserved": "2021-03-01T00:00:00",
    "dateUpdated": "2024-08-03T21:33:15.890Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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