Vulnerability-Lookup

CNVD-2017-03856

Vulnerability from cnvd - Published: 2017-04-05

Title

Suricata ‘MemcmpLowercase’函数安全绕过漏洞

Description

Suricata是一套网络入侵检测系统（IDS）、入侵防御系统（IPS）和网络安全监控引擎，它支持多线程、内置IPv6、可加载预设规则等。 Suricata 的‘MemcmpLowercase’函数存在安全漏洞。远程攻击者可利用漏洞发送特制的HTTP请求绕过入侵防御功能。

Severity

高

Patch Name

Suricata ‘MemcmpLowercase’函数安全绕过漏洞的补丁

Patch Description

Suricata是一套网络入侵检测系统（IDS）、入侵防御系统（IPS）和网络安全监控引擎，它支持多线程、内置IPv6、可加载预设规则等。 Suricata 的‘MemcmpLowercase’函数存在安全漏洞。远程攻击者可利用漏洞发送特制的HTTP请求绕过入侵防御功能。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://suricata-ids.org/2015/01/15/suricata-2-0-6-available/

Reference

https://redmine.openinfosecfoundation.org/issues/1364

Impacted products

Name
MemcmpLowercase Suricata <2.0.6

Show details on source website

JSON

To clipboard

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      "cveNumber": "CVE-2015-8954",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8954"
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  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://suricata-ids.org/2015/01/15/suricata-2-0-6-available/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-03856",
  "openTime": "2017-04-05",
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  "patchName": "Suricata \u2018MemcmpLowercase\u2019\u51fd\u6570\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "MemcmpLowercase Suricata \u003c2.0.6"
  },
  "referenceLink": "https://redmine.openinfosecfoundation.org/issues/1364",
  "serverity": "\u9ad8",
  "submitTime": "2017-03-22",
  "title": "Suricata \u2018MemcmpLowercase\u2019\u51fd\u6570\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2015-8954 (GCVE-0-2015-8954)

Vulnerability from cvelistv5 – Published: 2017-03-20 16:00 – Updated: 2024-08-06 08:36

Summary

The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from comparisons, which might allow remote attackers to bypass intrusion-prevention functionality via a crafted HTTP request.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://suricata-ids.org/2015/01/15/suricata-2-0-…	x_refsource_CONFIRM
https://redmine.openinfosecfoundation.org/issues/1364	x_refsource_CONFIRM
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug…	x_refsource_CONFIRM

Date Public

2015-01-15 00:00

Show details on NVD website

JSON

To clipboard

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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.