Vulnerability-Lookup

CNVD-2016-12159

Vulnerability from cnvd - Published: 2016-12-13

Title

FreeBSD telnetd(8) login(1)参数注入漏洞

Description

telnetd是FreeBSD服务器端的TELNET虚拟终端协议。 FreeBSD telnetd(8)在login(1)参数实现中存在注入漏洞，可出现内存序列分配失败及无效的错误检测，导致非法构造及执行参数序列。

Severity

高

Patch Name

FreeBSD telnetd(8) login(1)参数注入漏洞的补丁

Patch Description

telnetd是FreeBSD服务器端的TELNET虚拟终端协议。 FreeBSD telnetd(8)在login(1)参数实现中存在注入漏洞，可出现内存序列分配失败及无效的错误检测，导致非法构造及执行参数序列。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

用户可参考如下供应商提供的安全公告获得补丁信息： https://security.freebsd.org/advisories/FreeBSD-SA-16:36.telnetd.asc

Reference

https://security.freebsd.org/advisories/FreeBSD-SA-16:36.telnetd.asc

Impacted products

Name
FreeBSD FreeBSD

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1888"
    }
  },
  "description": "telnetd\u662fFreeBSD\u670d\u52a1\u5668\u7aef\u7684TELNET\u865a\u62df\u7ec8\u7aef\u534f\u8bae\u3002\r\n\r\nFreeBSD telnetd(8)\u5728login(1)\u53c2\u6570\u5b9e\u73b0\u4e2d\u5b58\u5728\u6ce8\u5165\u6f0f\u6d1e\uff0c\u53ef\u51fa\u73b0\u5185\u5b58\u5e8f\u5217\u5206\u914d\u5931\u8d25\u53ca\u65e0\u6548\u7684\u9519\u8bef\u68c0\u6d4b\uff0c\u5bfc\u81f4\u975e\u6cd5\u6784\u9020\u53ca\u6267\u884c\u53c2\u6570\u5e8f\u5217\u3002",
  "discovererName": "unknown",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://security.freebsd.org/advisories/FreeBSD-SA-16:36.telnetd.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-12159",
  "openTime": "2016-12-13",
  "patchDescription": "telnetd\u662fFreeBSD\u670d\u52a1\u5668\u7aef\u7684TELNET\u865a\u62df\u7ec8\u7aef\u534f\u8bae\u3002\r\n\r\nFreeBSD telnetd(8)\u5728login(1)\u53c2\u6570\u5b9e\u73b0\u4e2d\u5b58\u5728\u6ce8\u5165\u6f0f\u6d1e\uff0c\u53ef\u51fa\u73b0\u5185\u5b58\u5e8f\u5217\u5206\u914d\u5931\u8d25\u53ca\u65e0\u6548\u7684\u9519\u8bef\u68c0\u6d4b\uff0c\u5bfc\u81f4\u975e\u6cd5\u6784\u9020\u53ca\u6267\u884c\u53c2\u6570\u5e8f\u5217\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": "FreeBSD telnetd(8) login(1)\u53c2\u6570\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FreeBSD FreeBSD"
  },
  "referenceLink": "https://security.freebsd.org/advisories/FreeBSD-SA-16:36.telnetd.asc",
  "serverity": "\u9ad8",
  "submitTime": "2016-12-07",
  "title": "FreeBSD telnetd(8) login(1)\u53c2\u6570\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2016-1888 (GCVE-0-2016-1888)

Vulnerability from cvelistv5 – Published: 2017-02-15 15:00 – Updated: 2024-08-05 23:10

Summary

The telnetd service in FreeBSD 9.3, 10.1, 10.2, 10.3, and 11.0 allows remote attackers to inject arguments to login and bypass authentication via vectors involving a "sequence of memory allocation failures."

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://www.freebsd.org/security/advisories/FreeB…	vendor-advisoryx_refsource_FREEBSD
http://www.securitytracker.com/id/1037399	vdb-entryx_refsource_SECTRACK

Date Public

2016-12-06 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T23:10:39.887Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
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            "tags": [
              "vendor-advisory",
              "x_refsource_FREEBSD",
              "x_transferred"
            ],
            "url": "https://www.freebsd.org/security/advisories/FreeBSD-SA-16:36.telnetd.asc"
          },
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            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1037399"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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            }
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        }
      ],
      "datePublic": "2016-12-06T00:00:00.000Z",
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          "value": "The telnetd service in FreeBSD 9.3, 10.1, 10.2, 10.3, and 11.0 allows remote attackers to inject arguments to login and bypass authentication via vectors involving a \"sequence of memory allocation failures.\""
        }
      ],
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        "dateUpdated": "2017-02-15T14:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      "references": [
        {
          "name": "FreeBSD-SA-16:36",
          "tags": [
            "vendor-advisory",
            "x_refsource_FREEBSD"
          ],
          "url": "https://www.freebsd.org/security/advisories/FreeBSD-SA-16:36.telnetd.asc"
        },
        {
          "name": "1037399",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1037399"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-1888",
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        "affects": {
          "vendor": {
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                      "version": {
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                            "version_value": "n/a"
                          }
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                "vendor_name": "n/a"
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        "data_format": "MITRE",
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        "data_version": "4.0",
        "description": {
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "datePublished": "2017-02-15T15:00:00.000Z",
    "dateReserved": "2016-01-13T00:00:00.000Z",
    "dateUpdated": "2024-08-05T23:10:39.887Z",
    "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.