Vulnerability-Lookup

CNVD-2018-08490

Vulnerability from cnvd - Published: 2018-04-26

Title

remctl内存错误引用漏洞

Description

remctl是支持远程执行特定命令的客户端/服务器应用程序。 3.14之前的remctl中的remctld存在内存错误引用漏洞（当攻击者被授权执行使用sudo选项的命令时）。攻击者可利用该漏洞导致守护进程崩溃、内存破坏或实现任意命令执行。

Severity

高

Patch Name

remctl内存错误引用漏洞的补丁

Patch Description

remctl是支持远程执行特定命令的客户端/服务器应用程序。 3.14之前的remctl中的remctld存在内存错误引用漏洞（当攻击者被授权执行使用sudo选项的命令时）。攻击者可利用该漏洞导致守护进程崩溃、内存破坏或实现任意命令执行。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://git.eyrie.org/?p=kerberos/remctl.git;a=commit;h=86c7e44090c988112a37589d2c7a94029eb5e641

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-0493

Impacted products

Name
remctl remctl <3.14

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-0493"
    }
  },
  "description": "remctl\u662f\u652f\u6301\u8fdc\u7a0b\u6267\u884c\u7279\u5b9a\u547d\u4ee4\u7684\u5ba2\u6237\u7aef/\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\n3.14\u4e4b\u524d\u7684remctl\u4e2d\u7684remctld\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff08\u5f53\u653b\u51fb\u8005\u88ab\u6388\u6743\u6267\u884c\u4f7f\u7528sudo\u9009\u9879\u7684\u547d\u4ee4\u65f6\uff09\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5b88\u62a4\u8fdb\u7a0b\u5d29\u6e83\u3001\u5185\u5b58\u7834\u574f\u6216\u5b9e\u73b0\u4efb\u610f\u547d\u4ee4\u6267\u884c\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://git.eyrie.org/?p=kerberos/remctl.git;a=commit;h=86c7e44090c988112a37589d2c7a94029eb5e641",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-08490",
  "openTime": "2018-04-26",
  "patchDescription": "remctl\u662f\u652f\u6301\u8fdc\u7a0b\u6267\u884c\u7279\u5b9a\u547d\u4ee4\u7684\u5ba2\u6237\u7aef/\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\n3.14\u4e4b\u524d\u7684remctl\u4e2d\u7684remctld\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff08\u5f53\u653b\u51fb\u8005\u88ab\u6388\u6743\u6267\u884c\u4f7f\u7528sudo\u9009\u9879\u7684\u547d\u4ee4\u65f6\uff09\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5b88\u62a4\u8fdb\u7a0b\u5d29\u6e83\u3001\u5185\u5b58\u7834\u574f\u6216\u5b9e\u73b0\u4efb\u610f\u547d\u4ee4\u6267\u884c\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": "remctl\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "remctl remctl \u003c3.14"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-0493",
  "serverity": "\u9ad8",
  "submitTime": "2018-04-03",
  "title": "remctl\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2018-0493 (GCVE-0-2018-0493)

Vulnerability from cvelistv5 – Published: 2018-04-03 07:00 – Updated: 2024-08-05 03:28

Summary

remctld in remctl before 3.14, when an attacker is authorized to execute a command that uses the sudo option, has a use-after-free that leads to a daemon crash, memory corruption, or arbitrary command execution.

Severity

No CVSS data available.

CWE

Use after free, double free

Assigner

debian mitre root Scorecard

References

3 references

URL	Tags
https://git.eyrie.org/?p=kerberos/remctl.git%3Ba=…	x_refsource_CONFIRM
https://www.debian.org/security/2018/dsa-4159	vendor-advisoryx_refsource_DEBIAN
https://www.eyrie.org/~eagle/software/remctl/secu…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	remctl	Affected: remctl

Date Public

2018-04-03 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T03:28:10.664Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://git.eyrie.org/?p=kerberos/remctl.git%3Ba=commit%3Bh=86c7e44090c988112a37589d2c7a94029eb5e641"
          },
          {
            "name": "DSA-4159",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4159"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.eyrie.org/~eagle/software/remctl/security/2018-04-01.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "remctl",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "remctl"
            }
          ]
        }
      ],
      "datePublic": "2018-04-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "remctld in remctl before 3.14, when an attacker is authorized to execute a command that uses the sudo option, has a use-after-free that leads to a daemon crash, memory corruption, or arbitrary command execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Use after free, double free",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-04-03T09:57:01.000Z",
        "orgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
        "shortName": "debian"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://git.eyrie.org/?p=kerberos/remctl.git%3Ba=commit%3Bh=86c7e44090c988112a37589d2c7a94029eb5e641"
        },
        {
          "name": "DSA-4159",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4159"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.eyrie.org/~eagle/software/remctl/security/2018-04-01.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@debian.org",
          "ID": "CVE-2018-0493",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "remctl",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "remctl"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "remctld in remctl before 3.14, when an attacker is authorized to execute a command that uses the sudo option, has a use-after-free that leads to a daemon crash, memory corruption, or arbitrary command execution."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Use after free, double free"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://git.eyrie.org/?p=kerberos/remctl.git;a=commit;h=86c7e44090c988112a37589d2c7a94029eb5e641",
              "refsource": "CONFIRM",
              "url": "https://git.eyrie.org/?p=kerberos/remctl.git;a=commit;h=86c7e44090c988112a37589d2c7a94029eb5e641"
            },
            {
              "name": "DSA-4159",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2018/dsa-4159"
            },
            {
              "name": "https://www.eyrie.org/~eagle/software/remctl/security/2018-04-01.html",
              "refsource": "CONFIRM",
              "url": "https://www.eyrie.org/~eagle/software/remctl/security/2018-04-01.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
    "assignerShortName": "debian",
    "cveId": "CVE-2018-0493",
    "datePublished": "2018-04-03T07:00:00.000Z",
    "dateReserved": "2017-11-27T00:00:00.000Z",
    "dateUpdated": "2024-08-05T03:28:10.664Z",
    "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.

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.

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Action not permitted

CNVD-2018-08490

CVE-2018-0493 (GCVE-0-2018-0493)

Tags

Sightings

Nomenclature

Related by attack behaviour