Vulnerability-Lookup

CNVD-2020-04644

Vulnerability from cnvd - Published: 2020-02-11

Title

OSSEC-HIDS syscheck消息拒绝服务漏洞

Description

OSSEC-HIDS是一款开源入侵检测工具。 OSSEC-HIDS日志分析组件处理syscheck格式化消息存在安全漏洞，允许远程攻击者利用漏洞提交特殊的请求，可进行拒绝服务攻击。

Severity

高

Patch Name

OSSEC-HIDS syscheck消息拒绝服务漏洞的补丁

Patch Description

OSSEC-HIDS是一款开源入侵检测工具。 OSSEC-HIDS日志分析组件处理syscheck格式化消息存在安全漏洞，允许远程攻击者利用漏洞提交特殊的请求，可进行拒绝服务攻击。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://www.ossec.net/

Reference

https://github.com/ossec/ossec-hids/issues/1818

Impacted products

Name
OSSEC-HIDS OSSEC-HIDS >=2.7，<=3.5.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8447",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8447"
    }
  },
  "description": "OSSEC-HIDS\u662f\u4e00\u6b3e\u5f00\u6e90\u5165\u4fb5\u68c0\u6d4b\u5de5\u5177\u3002\n\nOSSEC-HIDS\u65e5\u5fd7\u5206\u6790\u7ec4\u4ef6\u5904\u7406syscheck\u683c\u5f0f\u5316\u6d88\u606f\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u53ef\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://www.ossec.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-04644",
  "openTime": "2020-02-11",
  "patchDescription": "OSSEC-HIDS\u662f\u4e00\u6b3e\u5f00\u6e90\u5165\u4fb5\u68c0\u6d4b\u5de5\u5177\u3002\r\n\r\nOSSEC-HIDS\u65e5\u5fd7\u5206\u6790\u7ec4\u4ef6\u5904\u7406syscheck\u683c\u5f0f\u5316\u6d88\u606f\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u53ef\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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": "OSSEC-HIDS syscheck\u6d88\u606f\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "OSSEC-HIDS OSSEC-HIDS \u003e=2.7\uff0c\u003c=3.5.0"
  },
  "referenceLink": "https://github.com/ossec/ossec-hids/issues/1818",
  "serverity": "\u9ad8",
  "submitTime": "2020-02-04",
  "title": "OSSEC-HIDS syscheck\u6d88\u606f\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2020-8447 (GCVE-0-2020-8447)

Vulnerability from cvelistv5 – Published: 2020-01-30 00:33 – Updated: 2024-08-04 09:56

Summary

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a use-after-free during processing of syscheck formatted msgs (received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://github.com/ossec/ossec-hids/issues/1821	x_refsource_MISC
https://www.ossec.net/	x_refsource_MISC
https://github.com/ossec/ossec-hids/issues/1818	x_refsource_MISC
https://security.gentoo.org/glsa/202007-33	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

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            "url": "https://www.ossec.net/"
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            "name": "GLSA-202007-33",
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          "lang": "en",
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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.

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Action not permitted

CNVD-2020-04644

CVE-2020-8447 (GCVE-0-2020-8447)

Tags

Sightings

Nomenclature

Related by attack behaviour