Vulnerability-Lookup

CNVD-2018-16942

Vulnerability from cnvd - Published: 2018-08-30

Title

pyro任意文件覆盖漏洞

Description

pyro是一套使用Python语言编写的分布式对象技术系统。 pyro 3.15之前版本中存在任意文件覆盖漏洞，该漏洞源于程序没有安全地处理临时目录中的pid文件并以root用户身份打开pid文件。攻击者可借助符号链接利用该漏洞覆盖任意文件。

Severity

中

Patch Name

pyro任意文件覆盖漏洞的补丁

Patch Description

pyro是一套使用Python语言编写的分布式对象技术系统。 pyro 3.15之前版本中存在任意文件覆盖漏洞，该漏洞源于程序没有安全地处理临时目录中的pid文件并以root用户身份打开pid文件。攻击者可借助符号链接利用该漏洞覆盖任意文件。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://github.com/irmen/Pyro3/commit/554e095a62c4412c91f981e72fd34a936ac2bf1e

Reference

https://bugs.debian.org/631912 https://github.com/irmen/Pyro3/commit/554e095a62c4412c91f981e72fd34a936ac2bf1e https://pythonhosted.org/Pyro/12-changes.html

Impacted products

Name
Pyro pyro <3.15

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2011-2765",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2011-2765"
    }
  },
  "description": "pyro\u662f\u4e00\u5957\u4f7f\u7528Python\u8bed\u8a00\u7f16\u5199\u7684\u5206\u5e03\u5f0f\u5bf9\u8c61\u6280\u672f\u7cfb\u7edf\u3002\r\n\r\npyro 3.15\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u8986\u76d6\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u5b89\u5168\u5730\u5904\u7406\u4e34\u65f6\u76ee\u5f55\u4e2d\u7684pid\u6587\u4ef6\u5e76\u4ee5root\u7528\u6237\u8eab\u4efd\u6253\u5f00pid\u6587\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7b26\u53f7\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u8986\u76d6\u4efb\u610f\u6587\u4ef6\u3002",
  "discovererName": "irmen",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/irmen/Pyro3/commit/554e095a62c4412c91f981e72fd34a936ac2bf1e",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-16942",
  "openTime": "2018-08-30",
  "patchDescription": "pyro\u662f\u4e00\u5957\u4f7f\u7528Python\u8bed\u8a00\u7f16\u5199\u7684\u5206\u5e03\u5f0f\u5bf9\u8c61\u6280\u672f\u7cfb\u7edf\u3002\r\n\r\npyro 3.15\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u8986\u76d6\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6ca1\u6709\u5b89\u5168\u5730\u5904\u7406\u4e34\u65f6\u76ee\u5f55\u4e2d\u7684pid\u6587\u4ef6\u5e76\u4ee5root\u7528\u6237\u8eab\u4efd\u6253\u5f00pid\u6587\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7b26\u53f7\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u8986\u76d6\u4efb\u610f\u6587\u4ef6\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": "pyro\u4efb\u610f\u6587\u4ef6\u8986\u76d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Pyro pyro \u003c3.15"
  },
  "referenceLink": "https://bugs.debian.org/631912\r\nhttps://github.com/irmen/Pyro3/commit/554e095a62c4412c91f981e72fd34a936ac2bf1e\r\nhttps://pythonhosted.org/Pyro/12-changes.html",
  "serverity": "\u4e2d",
  "submitTime": "2018-08-22",
  "title": "pyro\u4efb\u610f\u6587\u4ef6\u8986\u76d6\u6f0f\u6d1e"
}

CVE-2011-2765 (GCVE-0-2011-2765)

Vulnerability from cvelistv5 – Published: 2018-08-20 13:00 – Updated: 2024-09-16 19:00

Title

Insecure temporary file handling

Summary

pyro before 3.15 unsafely handles pid files in temporary directory locations and opening the pid file as root. An attacker can use this flaw to overwrite arbitrary files via symlinks.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/irmen/Pyro3/commit/554e095a62c…	x_refsource_CONFIRM
https://pythonhosted.org/Pyro/12-changes.html	x_refsource_CONFIRM
https://bugs.debian.org/631912	x_refsource_CONFIRM

Date Public

2011-08-21 00:00

Show details on NVD website

JSON

To clipboard

{
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T23:15:30.865Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          },
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            "url": "https://pythonhosted.org/Pyro/12-changes.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://bugs.debian.org/631912"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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      ],
      "datePublic": "2011-08-21T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "pyro before 3.15 unsafely handles pid files in temporary directory locations and opening the pid file as root. An attacker can use this flaw to overwrite arbitrary files via symlinks."
        }
      ],
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            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2018-08-20T12:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/irmen/Pyro3/commit/554e095a62c4412c91f981e72fd34a936ac2bf1e"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://pythonhosted.org/Pyro/12-changes.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugs.debian.org/631912"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Insecure temporary file handling",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "DATE_PUBLIC": "2011-08-21T22:57:00.000Z",
          "ID": "CVE-2011-2765",
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          "TITLE": "Insecure temporary file handling"
        },
        "affects": {
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            "vendor_data": [
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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.

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.