Vulnerability-Lookup

CNVD-2020-00259

Vulnerability from cnvd - Published: 2020-01-03

Title

Shadowsocks-libev访问控制错误漏洞（CNVD-2020-00259）

Description

Shadowsocks-libev是一款用于嵌入式设备的轻型安全SOCKS5代理。 Shadowsocks-libev 3.3.2版本中的ss-manager二进制文件存在访问控制错误漏洞，攻击者可利用该漏洞提升权限，执行任意代码。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://shadowsocks.org

Reference

https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0958 https://nvd.nist.gov/vuln/detail/CVE-2019-5164 https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0958

Impacted products

Name
Shadowsocks-libev Shadowsocks-libev 3.3.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-5164",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5164"
    }
  },
  "description": "Shadowsocks-libev\u662f\u4e00\u6b3e\u7528\u4e8e\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u8f7b\u578b\u5b89\u5168SOCKS5\u4ee3\u7406\u3002\n\nShadowsocks-libev 3.3.2\u7248\u672c\u4e2d\u7684ss-manager\u4e8c\u8fdb\u5236\u6587\u4ef6\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\uff0c\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://shadowsocks.org",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-00259",
  "openTime": "2020-01-03",
  "products": {
    "product": "Shadowsocks-libev Shadowsocks-libev 3.3.2"
  },
  "referenceLink": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0958\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-5164\r\nhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0958",
  "serverity": "\u4e2d",
  "submitTime": "2019-12-03",
  "title": "Shadowsocks-libev\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-00259\uff09"
}

CVE-2019-5164 (GCVE-0-2019-5164)

Vulnerability from cvelistv5 – Published: 2019-12-03 21:56 – Updated: 2024-08-04 19:47

Summary

An exploitable code execution vulnerability exists in the ss-manager binary of Shadowsocks-libev 3.3.2. Specially crafted network packets sent to ss-manager can cause an arbitrary binary to run, resulting in code execution and privilege escalation. An attacker can send network packets to trigger this vulnerability.

Severity

7.8 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

talos mitre root

References

3 references

URL	Tags
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://talosintelligence.com/vulnerability_repor…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Shadowsocks	Affected: Shadowsocks-libev 3.3.2

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T19:47:56.612Z",
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    ],
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        }
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            "confidentialityImpact": "HIGH",
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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.