Vulnerability-Lookup

CNVD-2018-05844

Vulnerability from cnvd - Published: 2018-03-21

Title

Xpdf 'XFAForm::scanFields'函数空指针解引用漏洞

Description

Xpdf是一款开源的PDF阅读器，它支持解码LZW压缩格式的文件以及阅读加密的PDF文件。 Xpdf 4.00版本中的XFAForm.cc文件中的'XFAForm::scanFields'函数存在安全漏洞。攻击者可借助特定的pdf文件利用该漏洞造成拒绝服务（空指针逆向引用）。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.xpdfreader.com/index.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-7454

Impacted products

Name
xpdfreader xpdf 4.00

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-7454"
    }
  },
  "description": "Xpdf\u662f\u4e00\u6b3e\u5f00\u6e90\u7684PDF\u9605\u8bfb\u5668\uff0c\u5b83\u652f\u6301\u89e3\u7801LZW\u538b\u7f29\u683c\u5f0f\u7684\u6587\u4ef6\u4ee5\u53ca\u9605\u8bfb\u52a0\u5bc6\u7684PDF\u6587\u4ef6\u3002\r\n\r\nXpdf 4.00\u7248\u672c\u4e2d\u7684XFAForm.cc\u6587\u4ef6\u4e2d\u7684\u0027XFAForm::scanFields\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5b9a\u7684pdf\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.xpdfreader.com/index.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05844",
  "openTime": "2018-03-21",
  "products": {
    "product": "xpdfreader xpdf 4.00"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-7454",
  "serverity": "\u4e2d",
  "submitTime": "2018-02-24",
  "title": "Xpdf \u0027XFAForm::scanFields\u0027\u51fd\u6570\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2018-7454 (GCVE-0-2018-7454)

Vulnerability from cvelistv5 – Published: 2018-02-24 06:00 – Updated: 2024-08-05 06:24

Summary

A NULL pointer dereference in XFAForm::scanFields in XFAForm.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://forum.xpdfreader.com/viewtopic.php?f=3&t=613	x_refsource_MISC

Date Public

2018-02-23 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T06:24:12.046Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=613"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-02-23T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A NULL pointer dereference in XFAForm::scanFields in XFAForm.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-02-24T05:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=613"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-7454",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A NULL pointer dereference in XFAForm::scanFields in XFAForm.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=613",
              "refsource": "MISC",
              "url": "https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=613"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-7454",
    "datePublished": "2018-02-24T06:00:00.000Z",
    "dateReserved": "2018-02-23T00:00:00.000Z",
    "dateUpdated": "2024-08-05T06:24:12.046Z",
    "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.
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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.

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-2018-05844

CVE-2018-7454 (GCVE-0-2018-7454)

Tags

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Nomenclature

Related by attack behaviour