Vulnerability-Lookup

CNVD-2020-32359

Vulnerability from cnvd - Published: 2020-06-11

Title

FreeBSD竞争条件问题漏洞

Description

FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD中存在竞争条件问题漏洞，该漏洞源于cryptodev模块允许内核中的数据结构在被释放后可再次被利用，攻击者可利用该漏洞覆盖任意内核内存。

Severity

中

Patch Name

FreeBSD竞争条件问题漏洞的补丁

Patch Description

FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD中存在竞争条件问题漏洞，该漏洞源于cryptodev模块允许内核中的数据结构在被释放后可再次被利用，攻击者可利用该漏洞覆盖任意内核内存。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.freebsd.org/security/advisories/FreeBSD-SA-20:15.cryptodev.asc

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-15879

Impacted products

Name
['FreeBSD Freebsd <12.1-RELEASE p5', 'FreeBSD Freebsd <11.3-RELEASE p9', 'FreeBSD Freebsd <12.1-STABLE r356908', 'FreeBSD Freebsd <11.3-STABLE r356908']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15879"
    }
  },
  "description": "FreeBSD\u662fFreeBSD\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nFreeBSD\u4e2d\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ecryptodev\u6a21\u5757\u5141\u8bb8\u5185\u6838\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u5728\u88ab\u91ca\u653e\u540e\u53ef\u518d\u6b21\u88ab\u5229\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8986\u76d6\u4efb\u610f\u5185\u6838\u5185\u5b58\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.freebsd.org/security/advisories/FreeBSD-SA-20:15.cryptodev.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-32359",
  "openTime": "2020-06-11",
  "patchDescription": "FreeBSD\u662fFreeBSD\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nFreeBSD\u4e2d\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ecryptodev\u6a21\u5757\u5141\u8bb8\u5185\u6838\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u5728\u88ab\u91ca\u653e\u540e\u53ef\u518d\u6b21\u88ab\u5229\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8986\u76d6\u4efb\u610f\u5185\u6838\u5185\u5b58\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\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "FreeBSD Freebsd \u003c12.1-RELEASE p5",
      "FreeBSD Freebsd \u003c11.3-RELEASE p9",
      "FreeBSD Freebsd \u003c12.1-STABLE r356908",
      "FreeBSD Freebsd \u003c11.3-STABLE r356908"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-15879",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-14",
  "title": "FreeBSD\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2019-15879 (GCVE-0-2019-15879)

Vulnerability from cvelistv5 – Published: 2020-05-13 15:38 – Updated: 2024-08-05 01:03

Summary

In FreeBSD 12.1-STABLE before r356908, 12.1-RELEASE before p5, 11.3-STABLE before r356908, and 11.3-RELEASE before p9, a race condition in the cryptodev module permitted a data structure in the kernel to be used after it was freed, allowing an unprivileged process can overwrite arbitrary kernel memory.

Severity

No CVSS data available.

CWE

Use after free

Assigner

freebsd mitre root

References

2 references

URL	Tags
https://security.FreeBSD.org/advisories/FreeBSD-S…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2020051…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	FreeBSD	Affected: FreeBSD 12.1-RELEASE before p5, and 11.3-RELEASE before p9

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T01:03:32.412Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:15.cryptodev.asc"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20200518-0005/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FreeBSD",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "FreeBSD 12.1-RELEASE before p5, and 11.3-RELEASE before p9"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In FreeBSD 12.1-STABLE before r356908, 12.1-RELEASE before p5, 11.3-STABLE before r356908, and 11.3-RELEASE before p9, a race condition in the cryptodev module permitted a data structure in the kernel to be used after it was freed, allowing an unprivileged process can overwrite arbitrary kernel memory."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Use after free",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-05-18T04:06:20.000Z",
        "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
        "shortName": "freebsd"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:15.cryptodev.asc"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20200518-0005/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secteam@freebsd.org",
          "ID": "CVE-2019-15879",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "FreeBSD",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "FreeBSD 12.1-RELEASE before p5, and 11.3-RELEASE before p9"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            {
              "lang": "eng",
              "value": "In FreeBSD 12.1-STABLE before r356908, 12.1-RELEASE before p5, 11.3-STABLE before r356908, and 11.3-RELEASE before p9, a race condition in the cryptodev module permitted a data structure in the kernel to be used after it was freed, allowing an unprivileged process can overwrite arbitrary kernel memory."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Use after free"
                }
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            }
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        },
        "references": {
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            {
              "name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:15.cryptodev.asc",
              "refsource": "MISC",
              "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:15.cryptodev.asc"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200518-0005/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20200518-0005/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
    "assignerShortName": "freebsd",
    "cveId": "CVE-2019-15879",
    "datePublished": "2020-05-13T15:38:20.000Z",
    "dateReserved": "2019-09-03T00:00:00.000Z",
    "dateUpdated": "2024-08-05T01:03:32.412Z",
    "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.

Action not permitted

CNVD-2020-32359

CVE-2019-15879 (GCVE-0-2019-15879)

Tags

Sightings

Nomenclature

Related by attack behaviour