Vulnerability-Lookup

CNVD-2017-25539

Vulnerability from cnvd - Published: 2017-09-07

Title

Cygwin 'wcsxfrm/wcsxfrm_l'函数缓冲区溢出漏洞

Description

Cygwin是许多自由软件的集合，用于在各种版本的Microsoft Windows上运行UNIX类系统。 Cygwin 1.7.2版本至1.8.0版本中的'wcsxfrm/wcsxfrm_l'函数存在缓冲区溢出漏洞。攻击者可利用该漏洞造成拒绝服务（进程崩溃）或借助特制的输入字符串利用该漏洞劫持管理员运行的进程。

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://cygwin.com/

Reference

https://cygwin.com/ml/cygwin/2017-05/msg00149.html

Impacted products

Name
Cygwin Cygwin >=1.7.2，<=1.8.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7523"
    }
  },
  "description": "Cygwin\u662f\u8bb8\u591a\u81ea\u7531\u8f6f\u4ef6\u7684\u96c6\u5408\uff0c\u7528\u4e8e\u5728\u5404\u79cd\u7248\u672c\u7684Microsoft Windows\u4e0a\u8fd0\u884cUNIX\u7c7b\u7cfb\u7edf\u3002\r\n\r\nCygwin 1.7.2\u7248\u672c\u81f31.8.0\u7248\u672c\u4e2d\u7684\u0027wcsxfrm/wcsxfrm_l\u0027\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8fdb\u7a0b\u5d29\u6e83\uff09\u6216\u501f\u52a9\u7279\u5236\u7684\u8f93\u5165\u5b57\u7b26\u4e32\u5229\u7528\u8be5\u6f0f\u6d1e\u52ab\u6301\u7ba1\u7406\u5458\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002",
  "discovererName": "Cygwin",
  "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://cygwin.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-25539",
  "openTime": "2017-09-07",
  "products": {
    "product": "Cygwin Cygwin \u003e=1.7.2\uff0c\u003c=1.8.0"
  },
  "referenceLink": "https://cygwin.com/ml/cygwin/2017-05/msg00149.html",
  "serverity": "\u4e2d",
  "submitTime": "2017-07-25",
  "title": "Cygwin \u0027wcsxfrm/wcsxfrm_l\u0027\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-7523 (GCVE-0-2017-7523)

Vulnerability from cvelistv5 – Published: 2017-07-21 22:00 – Updated: 2024-09-16 18:03

Summary

Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.

Severity ?

No CVSS data available.

CWE

CWE-787

Assigner

redhat

References

URL

Tags

https://cygwin.com/ml/cygwin/2017-05/msg00149.html

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Red Hat, Inc.	cygwin	Affected: since 1.7.2 up to 2.8.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:04:11.820Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cygwin.com/ml/cygwin/2017-05/msg00149.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "cygwin",
          "vendor": "Red Hat, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "since 1.7.2 up to 2.8.0"
            }
          ]
        }
      ],
      "datePublic": "2017-05-10T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-07-21T21:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cygwin.com/ml/cygwin/2017-05/msg00149.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "DATE_PUBLIC": "2017-05-10T00:00:00",
          "ID": "CVE-2017-7523",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "cygwin",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "since 1.7.2 up to 2.8.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Red Hat, Inc."
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-787"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cygwin.com/ml/cygwin/2017-05/msg00149.html",
              "refsource": "MISC",
              "url": "https://cygwin.com/ml/cygwin/2017-05/msg00149.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2017-7523",
    "datePublished": "2017-07-21T22:00:00Z",
    "dateReserved": "2017-04-05T00:00:00",
    "dateUpdated": "2024-09-16T18:03:20.729Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2017-25539

CVE-2017-7523 (GCVE-0-2017-7523)

Tags

Sightings

Nomenclature