cnvd - cnvd-2017-10182

CNVD-2017-10182

Vulnerability from cnvd - Published: 2017-06-19

Title

YARA ‘sized_string_cmp’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。 YARA libyara/sizedstr.c文件的‘sized_string_cmp’参数存在拒绝服务漏洞，远程攻击者可以利用该漏洞提交特殊的请求，导致拒绝服务。

Severity

中

Patch Name

YARA ‘sized_string_cmp’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。 YARA libyara/sizedstr.c文件的‘sized_string_cmp’参数存在拒绝服务漏洞，远程攻击者可以利用该漏洞提交特殊的请求，导致拒绝服务。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://github.com/VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e

Reference

https://github.com/VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e https://nvd.nist.gov/vuln/detail/CVE-2017-8929

Impacted products

Name
YARA YARA 3.5.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8929"
    }
  },
  "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\u3002\r\n\r\nYARA libyara/sizedstr.c\u6587\u4ef6\u7684\u2018sized_string_cmp\u2019\u53c2\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "unknown",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e:\r\nhttps://github.com/VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-10182",
  "openTime": "2017-06-19",
  "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\u3002\r\n\r\nYARA libyara/sizedstr.c\u6587\u4ef6\u7684\u2018sized_string_cmp\u2019\u53c2\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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 \u2018sized_string_cmp\u2019\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "YARA YARA 3.5.0"
  },
  "referenceLink": "https://github.com/VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-8929",
  "serverity": "\u4e2d",
  "submitTime": "2017-05-23",
  "title": "YARA \u2018sized_string_cmp\u2019\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-8929 (GCVE-0-2017-8929)

Vulnerability from cvelistv5 – Published: 2017-05-14 22:00 – Updated: 2024-09-16 22:36

Summary

The sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/VirusTotal/yara/issues/658	x_refsource_CONFIRM
	https://github.com/VirusTotal/yara/commit/053e67e…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e"
          }
        ],
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      "x_legacyV4Record": {
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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2017-10182

CVE-2017-8929 (GCVE-0-2017-8929)

Tags

Sightings

Nomenclature