cnvd - cnvd-2018-02926

cnvd-2018-02926

Vulnerability from cnvd

Title: SimpleSAMLphp访问限制绕过漏洞

Description:

SimpleSAMLphp是一款用原生PHP编写的处理认证的程序。

1.15.2之前的SimpleSAMLphp存在访问限制绕过漏洞。该漏洞产生的原因是SimpleSAMLphp中的sqlauth模块依赖于MySQL utf8字符集，其在遇到四字节字符时会截断查询。远程攻击者可利用该漏洞绕过预期的访问限制。

Severity: 中

Patch Name: SimpleSAMLphp访问限制绕过漏洞的补丁

Patch Description:

SimpleSAMLphp是一款用原生PHP编写的处理认证的程序。

1.15.2之前的SimpleSAMLphp存在访问限制绕过漏洞。该漏洞产生的原因是SimpleSAMLphp中的sqlauth模块依赖于MySQL utf8字符集，其在遇到四字节字符时会截断查询。远程攻击者可利用该漏洞绕过预期的访问限制。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:

厂商已发布漏洞修复程序，请及时关注更新： https://simplesamlphp.org/download

Reference: https://simplesamlphp.org/security/201801-03

Impacted products

Name
SimpleSAMLphp simpleSAMLphp <1.15.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-6521"
    }
  },
  "description": "SimpleSAMLphp\u662f\u4e00\u6b3e\u7528\u539f\u751fPHP\u7f16\u5199\u7684\u5904\u7406\u8ba4\u8bc1\u7684\u7a0b\u5e8f\u3002\r\n\r\n1.15.2\u4e4b\u524d\u7684SimpleSAMLphp\u5b58\u5728\u8bbf\u95ee\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4ea7\u751f\u7684\u539f\u56e0\u662fSimpleSAMLphp\u4e2d\u7684sqlauth\u6a21\u5757\u4f9d\u8d56\u4e8eMySQL utf8\u5b57\u7b26\u96c6\uff0c\u5176\u5728\u9047\u5230\u56db\u5b57\u8282\u5b57\u7b26\u65f6\u4f1a\u622a\u65ad\u67e5\u8be2\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u9884\u671f\u7684\u8bbf\u95ee\u9650\u5236\u3002",
  "discovererName": "unknown",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://simplesamlphp.org/download",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-02926",
  "openTime": "2018-02-07",
  "patchDescription": "SimpleSAMLphp\u662f\u4e00\u6b3e\u7528\u539f\u751fPHP\u7f16\u5199\u7684\u5904\u7406\u8ba4\u8bc1\u7684\u7a0b\u5e8f\u3002\r\n\r\n1.15.2\u4e4b\u524d\u7684SimpleSAMLphp\u5b58\u5728\u8bbf\u95ee\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4ea7\u751f\u7684\u539f\u56e0\u662fSimpleSAMLphp\u4e2d\u7684sqlauth\u6a21\u5757\u4f9d\u8d56\u4e8eMySQL utf8\u5b57\u7b26\u96c6\uff0c\u5176\u5728\u9047\u5230\u56db\u5b57\u8282\u5b57\u7b26\u65f6\u4f1a\u622a\u65ad\u67e5\u8be2\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u9884\u671f\u7684\u8bbf\u95ee\u9650\u5236\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": "SimpleSAMLphp\u8bbf\u95ee\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "SimpleSAMLphp simpleSAMLphp \u003c1.15.2"
  },
  "referenceLink": "https://simplesamlphp.org/security/201801-03",
  "serverity": "\u4e2d",
  "submitTime": "2018-02-02",
  "title": "SimpleSAMLphp\u8bbf\u95ee\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2018-6521 (GCVE-0-2018-6521)

Vulnerability from cvelistv5

Published

2018-02-02 01:00

Modified

2024-08-05 06:10

Severity ?

CWE

Summary

The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions.

References

▼	URL	Tags
	https://simplesamlphp.org/security/201801-03	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2018/02/msg00008.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2018/dsa-4127	vendor-advisory, x_refsource_DEBIAN

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T06:10:09.968Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://simplesamlphp.org/security/201801-03"
          },
          {
            "name": "[debian-lts-announce] 20180209 [SECURITY] [DLA 1273-1] simplesamlphp security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/02/msg00008.html"
          },
          {
            "name": "DSA-4127",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4127"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-02-01T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-03-03T10:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://simplesamlphp.org/security/201801-03"
        },
        {
          "name": "[debian-lts-announce] 20180209 [SECURITY] [DLA 1273-1] simplesamlphp security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/02/msg00008.html"
        },
        {
          "name": "DSA-4127",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4127"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-6521",
          "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": "The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://simplesamlphp.org/security/201801-03",
              "refsource": "CONFIRM",
              "url": "https://simplesamlphp.org/security/201801-03"
            },
            {
              "name": "[debian-lts-announce] 20180209 [SECURITY] [DLA 1273-1] simplesamlphp security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/02/msg00008.html"
            },
            {
              "name": "DSA-4127",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2018/dsa-4127"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-6521",
    "datePublished": "2018-02-02T01:00:00",
    "dateReserved": "2018-02-01T00:00:00",
    "dateUpdated": "2024-08-05T06:10:09.968Z",
    "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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