Vulnerability-Lookup

CNVD-2020-12797

Vulnerability from cnvd - Published: 2020-02-23

Title

Ruby存在未明漏洞

Description

Ruby是一种简单快捷的面向对象（面向对象程序设计）脚本语言。 Ruby存在未明漏洞。攻击者可利用该漏洞调用任意Ruby方法。

Severity

高

Patch Name

Ruby存在未明漏洞的补丁

Patch Description

Ruby是一种简单快捷的面向对象（面向对象程序设计）脚本语言。 Ruby存在未明漏洞。攻击者可利用该漏洞调用任意Ruby方法。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

厂商已发布了漏洞修复程序，请及时关注更新： https://www.ruby-lang.org/en/news/2019/10/01/code-injection-shell-test-cve-2019-16255/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-16255

Impacted products

Name
['Ruby Ruby <=2.4.7', 'Ruby Ruby 2.5.，<=2.5.6', 'Ruby Ruby 2.6.，<=2.6.4']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-16255",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-16255"
    }
  },
  "description": "Ruby\u662f\u4e00\u79cd\u7b80\u5355\u5feb\u6377\u7684\u9762\u5411\u5bf9\u8c61\uff08\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1\uff09\u811a\u672c\u8bed\u8a00\u3002\n\nRuby\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8c03\u7528\u4efb\u610fRuby\u65b9\u6cd5\u3002",
  "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.ruby-lang.org/en/news/2019/10/01/code-injection-shell-test-cve-2019-16255/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-12797",
  "openTime": "2020-02-23",
  "patchDescription": "Ruby\u662f\u4e00\u79cd\u7b80\u5355\u5feb\u6377\u7684\u9762\u5411\u5bf9\u8c61\uff08\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1\uff09\u811a\u672c\u8bed\u8a00\u3002\r\n\r\nRuby\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8c03\u7528\u4efb\u610fRuby\u65b9\u6cd5\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": "Ruby\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Ruby Ruby \u003c=2.4.7",
      "Ruby Ruby 2.5.*\uff0c\u003c=2.5.6",
      "Ruby Ruby 2.6.*\uff0c\u003c=2.6.4"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-16255",
  "serverity": "\u9ad8",
  "submitTime": "2019-11-27",
  "title": "Ruby\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2019-16255 (GCVE-0-2019-16255)

Vulnerability from cvelistv5 – Published: 2019-11-26 00:00 – Updated: 2024-08-05 01:10

Summary

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows code injection if the first argument (aka the "command" argument) to Shell#[] or Shell#test in lib/shell.rb is untrusted data. An attacker can exploit this to call an arbitrary Ruby method.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

15 references

URL	Tags
https://hackerone.com/reports/327512
https://lists.debian.org/debian-lts-announce/2019…
https://www.ruby-lang.org/ja/news/2019/10/01/ruby…
https://www.ruby-lang.org/ja/news/2019/10/01/ruby…
https://www.ruby-lang.org/ja/news/2019/10/01/ruby…
https://www.ruby-lang.org/ja/news/2019/10/01/code…
https://lists.debian.org/debian-lts-announce/2019…	mailing-list
https://seclists.org/bugtraq/2019/Dec/31	mailing-list
https://seclists.org/bugtraq/2019/Dec/32	mailing-list
https://www.debian.org/security/2019/dsa-4587	vendor-advisory
https://www.oracle.com/security-alerts/cpujan2020.html
https://security.gentoo.org/glsa/202003-06	vendor-advisory
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisory
https://lists.debian.org/debian-lts-announce/2020…	mailing-list
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

To clipboard

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            "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html"
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            "url": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/"
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            "url": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/"
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            "url": "https://www.oracle.com/security-alerts/cpujan2020.html"
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            "tags": [
              "vendor-advisory",
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        }
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        {
          "url": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/"
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          "url": "https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/"
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        },
        {
          "name": "20191217 [SECURITY] [DSA 4586-1] ruby2.5 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://seclists.org/bugtraq/2019/Dec/32"
        },
        {
          "name": "DSA-4587",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2019/dsa-4587"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpujan2020.html"
        },
        {
          "name": "GLSA-202003-06",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202003-06"
        },
        {
          "name": "openSUSE-SU-2020:0395",
          "tags": [
            "vendor-advisory"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html"
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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.

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.

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CNVD-2020-12797

CVE-2019-16255 (GCVE-0-2019-16255)

Tags

Sightings

Nomenclature

Related by attack behaviour