Vulnerability-Lookup

CNVD-2021-13675

Vulnerability from cnvd - Published: 2021-03-01

Title

Synology DiskStation Manager栈缓冲区溢出漏洞

Description

Synology DiskStation Manager（DSM）是中国台湾群晖科技（Synology）公司的一套用于网络储存服务器（NAS）上的操作系统。该操作系统可管理资料、文件、照片、音乐等信息。 Synology DiskStation Manager 6.2.3-25426-3之前版本中的synoagentregisterd存在栈缓冲区溢出漏洞。攻击者利用该漏洞通过syno_finder_site HTTP header执行任意代码。

Severity

高

Patch Name

Synology DiskStation Manager栈缓冲区溢出漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.synology.com/en-global/security/advisory/Synology_SA_20_26

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-26561

Impacted products

Name
Synology DiskStation Manager <6.2.3-25426-3

Show details on source website

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{
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    "cve": {
      "cveNumber": "CVE-2021-26561",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-26561"
    }
  },
  "description": "Synology DiskStation Manager\uff08DSM\uff09\u662f\u4e2d\u56fd\u53f0\u6e7e\u7fa4\u6656\u79d1\u6280\uff08Synology\uff09\u516c\u53f8\u7684\u4e00\u5957\u7528\u4e8e\u7f51\u7edc\u50a8\u5b58\u670d\u52a1\u5668\uff08NAS\uff09\u4e0a\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u64cd\u4f5c\u7cfb\u7edf\u53ef\u7ba1\u7406\u8d44\u6599\u3001\u6587\u4ef6\u3001\u7167\u7247\u3001\u97f3\u4e50\u7b49\u4fe1\u606f\u3002\n\nSynology DiskStation Manager 6.2.3-25426-3\u4e4b\u524d\u7248\u672c\u4e2d\u7684synoagentregisterd\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7syno_finder_site HTTP header\u6267\u884c\u4efb\u610f\u4ee3\u7801\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.synology.com/en-global/security/advisory/Synology_SA_20_26",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-13675",
  "openTime": "2021-03-01",
  "patchDescription": "Synology DiskStation Manager\uff08DSM\uff09\u662f\u4e2d\u56fd\u53f0\u6e7e\u7fa4\u6656\u79d1\u6280\uff08Synology\uff09\u516c\u53f8\u7684\u4e00\u5957\u7528\u4e8e\u7f51\u7edc\u50a8\u5b58\u670d\u52a1\u5668\uff08NAS\uff09\u4e0a\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u64cd\u4f5c\u7cfb\u7edf\u53ef\u7ba1\u7406\u8d44\u6599\u3001\u6587\u4ef6\u3001\u7167\u7247\u3001\u97f3\u4e50\u7b49\u4fe1\u606f\u3002\r\n\r\nSynology DiskStation Manager 6.2.3-25426-3\u4e4b\u524d\u7248\u672c\u4e2d\u7684synoagentregisterd\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7syno_finder_site HTTP header\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "Synology DiskStation Manager\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Synology DiskStation Manager \u003c6.2.3-25426-3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-26561",
  "serverity": "\u9ad8",
  "submitTime": "2021-03-01",
  "title": "Synology DiskStation Manager\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-26561 (GCVE-0-2021-26561)

Vulnerability from cvelistv5 – Published: 2021-02-26 21:45 – Updated: 2024-09-16 23:06

Summary

Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

Severity

9 (Critical)


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

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

synology mitre root

References

2 references

URL	Tags
https://www.synology.com/security/advisory/Synolo…	x_refsource_CONFIRM
https://www.talosintelligence.com/vulnerability_r…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Synology	Synology DiskStation Manager (DSM)	Affected: unspecified , < 6.2.3-25426-3 (custom)

Date Public

2021-02-26 00:00

Show details on NVD website

JSON

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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

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