Vulnerability-Lookup

CNVD-2017-11318

Vulnerability from cnvd - Published: 2017-06-26

Title

YARA regexp模块拒绝服务漏洞

Description

YARA是一套用于帮助软件研究人员识别和分类恶意软件样本的工具。regexp是一个正则表达式模块。 YARA 3.5.0版本中的regexp模块的libyara/re.c文件存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务（栈消耗）。

Severity

中

Patch Name

YARA regexp模块拒绝服务漏洞的补丁

Patch Description

YARA是一套用于帮助软件研究人员识别和分类恶意软件样本的工具。regexp是一个正则表达式模块。 YARA 3.5.0版本中的regexp模块的libyara/re.c文件存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务（栈消耗）。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，补丁获取链接： https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7

Reference

https://github.com/VirusTotal/yara/issues/674

Impacted products

Name
YARA YARA 3.5.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9438"
    }
  },
  "description": "YARA\u662f\u4e00\u5957\u7528\u4e8e\u5e2e\u52a9\u8f6f\u4ef6\u7814\u7a76\u4eba\u5458\u8bc6\u522b\u548c\u5206\u7c7b\u6076\u610f\u8f6f\u4ef6\u6837\u672c\u7684\u5de5\u5177\u3002regexp\u662f\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5757\u3002\r\n\r\nYARA 3.5.0\u7248\u672c\u4e2d\u7684regexp\u6a21\u5757\u7684libyara/re.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6808\u6d88\u8017\uff09\u3002",
  "discovererName": "Unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-11318",
  "openTime": "2017-06-26",
  "patchDescription": "YARA\u662f\u4e00\u5957\u7528\u4e8e\u5e2e\u52a9\u8f6f\u4ef6\u7814\u7a76\u4eba\u5458\u8bc6\u522b\u548c\u5206\u7c7b\u6076\u610f\u8f6f\u4ef6\u6837\u672c\u7684\u5de5\u5177\u3002regexp\u662f\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5757\u3002\r\n\r\nYARA 3.5.0\u7248\u672c\u4e2d\u7684regexp\u6a21\u5757\u7684libyara/re.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6808\u6d88\u8017\uff09\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": "YARA regexp\u6a21\u5757\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "YARA YARA 3.5.0"
  },
  "referenceLink": "https://github.com/VirusTotal/yara/issues/674",
  "serverity": "\u4e2d",
  "submitTime": "2017-06-07",
  "title": "YARA regexp\u6a21\u5757\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-9438 (GCVE-0-2017-9438)

Vulnerability from cvelistv5 – Published: 2017-06-05 17:00 – Updated: 2024-08-05 17:11

Summary

libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule (involving hex strings) that is mishandled in the _yr_re_emit function, a different vulnerability than CVE-2017-9304.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://github.com/VirusTotal/yara/issues/674	x_refsource_CONFIRM
https://github.com/VirusTotal/yara/commit/10e8bd3…	x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Date Public

2017-06-05 00:00

Show details on NVD website

JSON

To clipboard

{
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            "url": "https://github.com/VirusTotal/yara/issues/674"
          },
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              "x_refsource_CONFIRM",
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            ],
            "url": "https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7"
          },
          {
            "name": "FEDORA-2021-f41d5fc954",
            "tags": [
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          },
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        ],
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    "cna": {
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          "lang": "en",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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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.
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Action not permitted

CNVD-2017-11318

CVE-2017-9438 (GCVE-0-2017-9438)

Tags

Sightings

Nomenclature

Related by attack behaviour