cnvd - cnvd-2020-20694

CNVD-2020-20694

Vulnerability from cnvd - Published: 2020-04-01

Title

NetHack权限提升漏洞

Description

NetHack是一款角色扮演类单人游戏。 NetHack 3.6.0之前版本中存在安全漏洞。攻击者可利用该漏洞在配置文件中对字符进行恶意的转义，进而提升权限。

Severity

高

Patch Name

NetHack权限提升漏洞的补丁

Patch Description

NetHack是一款角色扮演类单人游戏。 NetHack 3.6.0之前版本中存在安全漏洞。攻击者可利用该漏洞在配置文件中对字符进行恶意的转义，进而提升权限。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-5253

Impacted products

Name
NetHack NetHack <3.6.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5253",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-5253"
    }
  },
  "description": "NetHack\u662f\u4e00\u6b3e\u89d2\u8272\u626e\u6f14\u7c7b\u5355\u4eba\u6e38\u620f\u3002\n\nNetHack 3.6.0\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5bf9\u5b57\u7b26\u8fdb\u884c\u6076\u610f\u7684\u8f6c\u4e49\uff0c\u8fdb\u800c\u63d0\u5347\u6743\u9650\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-20694",
  "openTime": "2020-04-01",
  "patchDescription": "NetHack\u662f\u4e00\u6b3e\u89d2\u8272\u626e\u6f14\u7c7b\u5355\u4eba\u6e38\u620f\u3002\r\n\r\nNetHack 3.6.0\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5bf9\u5b57\u7b26\u8fdb\u884c\u6076\u610f\u7684\u8f6c\u4e49\uff0c\u8fdb\u800c\u63d0\u5347\u6743\u9650\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": "NetHack\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "NetHack NetHack \u003c3.6.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-5253",
  "serverity": "\u9ad8",
  "submitTime": "2020-03-24",
  "title": "NetHack\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2020-5253 (GCVE-0-2020-5253)

Vulnerability from cvelistv5 – Published: 2020-03-10 16:35 – Updated: 2024-08-04 08:22

Summary

NetHack before version 3.6.0 allowed malicious use of escaping of characters in the configuration file (usually .nethackrc) which could be exploited. This bug is patched in NetHack 3.6.0.

Severity ?

3.9 (Low)


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

CWE

CWE-184 - Incomplete List of Disallowed Inputs

Assigner

GitHub_M

References

URL

Tags

	https://github.com/NetHack/NetHack/security/advis…	x_refsource_CONFIRM
	https://github.com/NetHack/NetHack/commits/612755…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	NetHack	NetHack	Affected: < 3.6.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:22:09.098Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/NetHack/NetHack/commits/612755bfb5c412079795c68ba392df5d93874ed8"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "NetHack",
          "vendor": "NetHack",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.6.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.9,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-184",
              "description": "CWE-184: Incomplete List of Disallowed Inputs",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-03-10T16:35:14",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/NetHack/NetHack/commits/612755bfb5c412079795c68ba392df5d93874ed8"
        }
      ],
      "source": {
        "advisory": "GHSA-2c7p-3fj4-223m",
        "discovery": "UNKNOWN"
      },
      "title": "Privilege escalation in NetHack",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2020-5253",
          "STATE": "PUBLIC",
          "TITLE": "Privilege escalation in NetHack"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "NetHack",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c 3.6.0"
                          }
                        ]
                      }
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.9,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
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        "problemtype": {
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                  "value": "CWE-184: Incomplete List of Disallowed Inputs"
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2c7p-3fj4-223m",
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            },
            {
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              "refsource": "MISC",
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  "cveMetadata": {
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    "datePublished": "2020-03-10T16:35:14",
    "dateReserved": "2020-01-02T00:00:00",
    "dateUpdated": "2024-08-04T08:22:09.098Z",
    "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-2020-20694

CVE-2020-5253 (GCVE-0-2020-5253)

Tags

Sightings

Nomenclature