Vulnerability-Lookup

CNVD-2020-34456

Vulnerability from cnvd - Published: 2020-06-23

Title

Open Build Service访问控制错误漏洞

Description

Open Build Service（OBS）是一套通用的、以自动、一致和可重复的方式从源代码构建和分发软件包的系统。 OBS 2.10.5之前版本中存在访问控制错误漏洞。远程攻击者可利用该漏洞访问未授权文件。

Severity

中

Patch Name

Open Build Service访问控制错误漏洞的补丁

Patch Description

Open Build Service（OBS）是一套通用的、以自动、一致和可重复的方式从源代码构建和分发软件包的系统。 OBS 2.10.5之前版本中存在访问控制错误漏洞。远程攻击者可利用该漏洞访问未授权文件。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

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://openbuildservice.org/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-8021

Impacted products

Name
open build service open build service <2.10.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8021"
    }
  },
  "description": "Open Build Service\uff08OBS\uff09\u662f\u4e00\u5957\u901a\u7528\u7684\u3001\u4ee5\u81ea\u52a8\u3001\u4e00\u81f4\u548c\u53ef\u91cd\u590d\u7684\u65b9\u5f0f\u4ece\u6e90\u4ee3\u7801\u6784\u5efa\u548c\u5206\u53d1\u8f6f\u4ef6\u5305\u7684\u7cfb\u7edf\u3002\n\nOBS 2.10.5\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u672a\u6388\u6743\u6587\u4ef6\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://openbuildservice.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-34456",
  "openTime": "2020-06-23",
  "patchDescription": "Open Build Service\uff08OBS\uff09\u662f\u4e00\u5957\u901a\u7528\u7684\u3001\u4ee5\u81ea\u52a8\u3001\u4e00\u81f4\u548c\u53ef\u91cd\u590d\u7684\u65b9\u5f0f\u4ece\u6e90\u4ee3\u7801\u6784\u5efa\u548c\u5206\u53d1\u8f6f\u4ef6\u5305\u7684\u7cfb\u7edf\u3002\r\n\r\nOBS 2.10.5\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u672a\u6388\u6743\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": "Open Build Service\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "open build service open build service \u003c2.10.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8021",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-20",
  "title": "Open Build Service\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-8021 (GCVE-0-2020-8021)

Vulnerability from cvelistv5 – Published: 2020-05-19 14:25 – Updated: 2024-09-16 16:22

Title

unauthorized read access to files where sourceaccess is disabled via a crafted _service file in Open Build Service

Summary

a Improper Access Control vulnerability in of Open Build Service allows remote attackers to read files of an OBS package where the sourceaccess/access is disabled This issue affects: Open Build Service versions prior to 2.10.5.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-269 - Improper Privilege Management

Assigner

suse mitre root

References

2 references

URL	Tags
https://bugzilla.suse.com/show_bug.cgi?id=1171649	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
openSUSE	Open Build Service	Affected: Open Build Service , < 2.10.5 (custom)

Date Public

2020-05-19 00:00

Credits

Marcus Hüwe

Show details on NVD website

JSON

To clipboard

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          },
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            "tags": [
              "mailing-list",
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              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00006.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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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.

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CNVD-2020-34456

CVE-2020-8021 (GCVE-0-2020-8021)

Tags

Sightings

Nomenclature

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