cnvd - cnvd-2018-20456

cnvd-2018-20456

Vulnerability from cnvd

Title: QPDF libqpdf/QPDFWriter.cc拒绝服务漏洞

Description:

QPDF是一个能够对PDF进行结构化的命令行程序。该程序可以加密PDF文件，分析或更改PDF文件的内部结构。

QPDF 8.2.1版本中的libqpdf/QPDFWriter.cc文件中的‘QPDFWriter::unparseObject’和‘QPDFWriter::unparseChild’函数存在安全漏洞。远程攻击者可借助特制的PDF文件利用该漏洞造成拒绝服务。

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://github.com/qpdf/qpdf

Reference: https://github.com/qpdf/qpdf/issues/243

Impacted products

Name
QPDF QPDF 8.2.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-18020"
    }
  },
  "description": "QPDF\u662f\u4e00\u4e2a\u80fd\u591f\u5bf9PDF\u8fdb\u884c\u7ed3\u6784\u5316\u7684\u547d\u4ee4\u884c\u7a0b\u5e8f\u3002\u8be5\u7a0b\u5e8f\u53ef\u4ee5\u52a0\u5bc6PDF\u6587\u4ef6\uff0c\u5206\u6790\u6216\u66f4\u6539PDF\u6587\u4ef6\u7684\u5185\u90e8\u7ed3\u6784\u3002\r\n\r\nQPDF 8.2.1\u7248\u672c\u4e2d\u7684libqpdf/QPDFWriter.cc\u6587\u4ef6\u4e2d\u7684\u2018QPDFWriter::unparseObject\u2019\u548c\u2018QPDFWriter::unparseChild\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684PDF\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "unKnow",
  "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\n\r\nhttps://github.com/qpdf/qpdf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20456",
  "openTime": "2018-10-09",
  "products": {
    "product": "QPDF QPDF 8.2.1"
  },
  "referenceLink": "https://github.com/qpdf/qpdf/issues/243",
  "serverity": "\u4e2d",
  "submitTime": "2018-10-09",
  "title": "QPDF libqpdf/QPDFWriter.cc\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2018-18020 (GCVE-0-2018-18020)

Vulnerability from cvelistv5

Published

2018-10-06 00:00

Modified

2024-08-05 11:01

Severity ?

CWE

Summary

In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted PDF file.

References

▼	URL	Tags
	https://github.com/qpdf/qpdf/issues/243
	https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html	mailing-list

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:01:14.763Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/qpdf/qpdf/issues/243"
          },
          {
            "name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3548-1] qpdf security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-10-06T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted PDF file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-08-30T00:06:48.855731",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/qpdf/qpdf/issues/243"
        },
        {
          "name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3548-1] qpdf security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00037.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-18020",
    "datePublished": "2018-10-06T00:00:00",
    "dateReserved": "2018-10-06T00:00:00",
    "dateUpdated": "2024-08-05T11:01:14.763Z",
    "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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