Vulnerability-Lookup

CNVD-2019-44565

Vulnerability from cnvd - Published: 2019-12-10

Title

Shadowsocks-libev访问控制错误漏洞

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UDPRelay功能中存在访问控制错误漏洞。该漏洞源于网络系统或产品未正确限制来自未授权角色的资源访问。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

Shadowsocks-libev访问控制错误漏洞的补丁

Patch 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UDPRelay功能中存在访问控制错误漏洞。该漏洞源于网络系统或产品未正确限制来自未授权角色的资源访问。目前没有详细的漏洞细节提供。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://shadowsocks.org

Reference

https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0956

Impacted products

Name
Shadowsocks-libev Shadowsocks-libev 3.3.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-5163"
    }
  },
  "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\u7684UDPRelay\u529f\u80fd\u4e2d\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u9650\u5236\u6765\u81ea\u672a\u6388\u6743\u89d2\u8272\u7684\u8d44\u6e90\u8bbf\u95ee\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-44565",
  "openTime": "2019-12-10",
  "patchDescription": "Shadowsocks-libev\u662f\u4e00\u6b3e\u7528\u4e8e\u5d4c\u5165\u5f0f\u8bbe\u5907\u7684\u8f7b\u578b\u5b89\u5168SOCKS5\u4ee3\u7406\u3002\r\n\r\nShadowsocks-libev 3.3.2\u7248\u672c\u4e2d\u7684UDPRelay\u529f\u80fd\u4e2d\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u9650\u5236\u6765\u81ea\u672a\u6388\u6743\u89d2\u8272\u7684\u8d44\u6e90\u8bbf\u95ee\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Shadowsocks-libev\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Shadowsocks-libev Shadowsocks-libev 3.3.2"
  },
  "referenceLink": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0956",
  "serverity": "\u4e2d",
  "submitTime": "2019-12-05",
  "title": "Shadowsocks-libev\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2019-5163 (GCVE-0-2019-5163)

Vulnerability from cvelistv5 – Published: 2019-12-03 21:55 – Updated: 2024-08-04 19:47

Summary

An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher and a local_address, arbitrary UDP packets can cause a FATAL error code path and exit. An attacker can send arbitrary UDP packets to trigger this vulnerability.

Severity

5.9 (Medium)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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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            "attackVector": "NETWORK",
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
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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.