Vulnerability-Lookup

CNVD-2017-30343

Vulnerability from cnvd - Published: 2017-10-17

Title

Sudo sudoers插件设计漏洞

Description

Sudo是软件开发者Todd C. Miller所研发的一套用于类Unix操作系统下并允许用户通过安全的方式使用特殊的权限执行命令的程序。sudoers plugin是其中的一个Sudo配置插件。 Sudo 1.8.7之后的版本中的sudoers插件的SHA-2 digest support存在设计漏洞。本地攻击者可利用该漏洞替换将被执行的命令。

Severity

高

Patch Name

Sudo sudoers插件设计漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.sudo.ws/

Reference

http://www.openwall.com/lists/oss-security/2015/11/18/22

Impacted products

Name
Sudo sudoers plugin >1.8.7

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8239"
    }
  },
  "description": "Sudo\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Todd C. Miller\u6240\u7814\u53d1\u7684\u4e00\u5957\u7528\u4e8e\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u4e0b\u5e76\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u5b89\u5168\u7684\u65b9\u5f0f\u4f7f\u7528\u7279\u6b8a\u7684\u6743\u9650\u6267\u884c\u547d\u4ee4\u7684\u7a0b\u5e8f\u3002sudoers plugin\u662f\u5176\u4e2d\u7684\u4e00\u4e2aSudo\u914d\u7f6e\u63d2\u4ef6\u3002\r\n\r\nSudo 1.8.7\u4e4b\u540e\u7684\u7248\u672c\u4e2d\u7684sudoers\u63d2\u4ef6\u7684SHA-2 digest support\u5b58\u5728\u8bbe\u8ba1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66ff\u6362\u5c06\u88ab\u6267\u884c\u7684\u547d\u4ee4\u3002",
  "discovererName": "Adam Mari\u0161",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.sudo.ws/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-30343",
  "openTime": "2017-10-17",
  "patchDescription": "Sudo\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Todd C. Miller\u6240\u7814\u53d1\u7684\u4e00\u5957\u7528\u4e8e\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u4e0b\u5e76\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u5b89\u5168\u7684\u65b9\u5f0f\u4f7f\u7528\u7279\u6b8a\u7684\u6743\u9650\u6267\u884c\u547d\u4ee4\u7684\u7a0b\u5e8f\u3002sudoers plugin\u662f\u5176\u4e2d\u7684\u4e00\u4e2aSudo\u914d\u7f6e\u63d2\u4ef6\u3002\r\n\r\nSudo 1.8.7\u4e4b\u540e\u7684\u7248\u672c\u4e2d\u7684sudoers\u63d2\u4ef6\u7684SHA-2 digest support\u5b58\u5728\u8bbe\u8ba1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66ff\u6362\u5c06\u88ab\u6267\u884c\u7684\u547d\u4ee4\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": "Sudo sudoers\u63d2\u4ef6\u8bbe\u8ba1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Sudo sudoers plugin \u003e1.8.7"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2015/11/18/22",
  "serverity": "\u9ad8",
  "submitTime": "2017-10-12",
  "title": "Sudo sudoers\u63d2\u4ef6\u8bbe\u8ba1\u6f0f\u6d1e"
}

CVE-2015-8239 (GCVE-0-2015-8239)

Vulnerability from cvelistv5 – Published: 2017-10-10 16:00 – Updated: 2024-08-06 08:13

Summary

The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://www.sudo.ws/repos/sudo/rev/397722cdd7ec	x_refsource_CONFIRM
https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1283635	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2015/1…	mailing-listx_refsource_MLIST
https://www.sudo.ws/repos/sudo/rev/24a3d9215c64	x_refsource_CONFIRM

Date Public

2015-11-18 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T08:13:32.035Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.sudo.ws/repos/sudo/rev/397722cdd7ec"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1283635"
          },
          {
            "name": "[oss-security] 20151118 Re: race condition checking digests/checksums in sudoers",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2015/11/18/22"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.sudo.ws/repos/sudo/rev/24a3d9215c64"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-11-18T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-10-10T15:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.sudo.ws/repos/sudo/rev/397722cdd7ec"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1283635"
        },
        {
          "name": "[oss-security] 20151118 Re: race condition checking digests/checksums in sudoers",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2015/11/18/22"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.sudo.ws/repos/sudo/rev/24a3d9215c64"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2015-8239",
          "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 SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.sudo.ws/repos/sudo/rev/397722cdd7ec",
              "refsource": "CONFIRM",
              "url": "https://www.sudo.ws/repos/sudo/rev/397722cdd7ec"
            },
            {
              "name": "https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195",
              "refsource": "CONFIRM",
              "url": "https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1283635",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1283635"
            },
            {
              "name": "[oss-security] 20151118 Re: race condition checking digests/checksums in sudoers",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2015/11/18/22"
            },
            {
              "name": "https://www.sudo.ws/repos/sudo/rev/24a3d9215c64",
              "refsource": "CONFIRM",
              "url": "https://www.sudo.ws/repos/sudo/rev/24a3d9215c64"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-8239",
    "datePublished": "2017-10-10T16:00:00.000Z",
    "dateReserved": "2015-11-18T00:00:00.000Z",
    "dateUpdated": "2024-08-06T08:13:32.035Z",
    "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.
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.

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.