Vulnerability-Lookup

CNVD-2020-52393

Vulnerability from cnvd - Published: 2020-09-17

Title

Librepo目录遍历漏洞

Description

Librepo是一个提供C和Python API的库，用于下载rpm-md格式的包和linux存储库元数据。 Librepo产品存在目录遍历漏洞。该漏洞源于网络系统或产品未能正确地过滤资源或文件路径中的特殊元素。攻击者可利用该漏洞访问受限目录之外的位置。

Severity

高

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://github.com/rpm-software-management/librepo

Reference

https://access.redhat.com/errata/RHSA-2020:3749; http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14352

Impacted products

Name
Librepo Librepo

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-14352",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-14352"
    }
  },
  "description": "Librepo\u662f\u4e00\u4e2a\u63d0\u4f9bC\u548cPython API\u7684\u5e93\uff0c\u7528\u4e8e\u4e0b\u8f7drpm-md\u683c\u5f0f\u7684\u5305\u548clinux\u5b58\u50a8\u5e93\u5143\u6570\u636e\u3002\n\nLibrepo\u4ea7\u54c1\u5b58\u5728\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u80fd\u6b63\u786e\u5730\u8fc7\u6ee4\u8d44\u6e90\u6216\u6587\u4ef6\u8def\u5f84\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u53d7\u9650\u76ee\u5f55\u4e4b\u5916\u7684\u4f4d\u7f6e\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://github.com/rpm-software-management/librepo",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-52393",
  "openTime": "2020-09-17",
  "products": {
    "product": "Librepo Librepo"
  },
  "referenceLink": "https://access.redhat.com/errata/RHSA-2020:3749; http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14352",
  "serverity": "\u9ad8",
  "submitTime": "2020-09-16",
  "title": "Librepo\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e"
}

CVE-2020-14352 (GCVE-0-2020-14352)

Vulnerability from cvelistv5 – Published: 2020-08-30 13:55 – Updated: 2024-08-04 12:39

Summary

A flaw was found in librepo in versions before 1.12.1. A directory traversal vulnerability was found where it failed to sanitize paths in remote repository metadata. An attacker controlling a remote repository may be able to copy files outside of the destination directory on the targeted system via path traversal. This flaw could potentially result in system compromise via the overwriting of critical system files. The highest threat from this flaw is to users that make use of untrusted third-party repositories.

Severity

No CVSS data available.

CWE

CWE-22

Assigner

redhat redhat root

References

6 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1866498	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Impacted products

1 product

Vendor	Product	Version
n/a	librepo	Affected: librepo versions before 1.12.1

Show details on NVD website

JSON

To clipboard

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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.