cnvd - cnvd-2019-44966

CNVD-2019-44966

Vulnerability from cnvd - Published: 2019-12-11

Title

YARA存在未明漏洞

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 3.11.0版本中的macho/macho.c文件的macho_parse_file功能存在安全漏洞。攻击者可利用该漏洞借助特制的MachO文件造成越边界内存访问，导致拒绝服务（应用程序崩溃），或执行任意代码。

Severity

中

Formal description

厂商尚未提供漏洞修补方案，请关注厂商主页及时更新：https://github.com/VirusTotal/yara

Reference

https://github.com/VirusTotal/yara/issues/1178 https://nvd.nist.gov/vuln/detail/CVE-2019-19648

Impacted products

Name
YARA YARA 3.11.0

Show details on source website

JSON

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-19648"
    }
  },
  "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\n\nYARA 3.11.0\u7248\u672c\u4e2d\u7684macho/macho.c\u6587\u4ef6\u7684macho_parse_file\u529f\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u501f\u52a9\u7279\u5236\u7684MachO\u6587\u4ef6\u9020\u6210\u8d8a\u8fb9\u754c\u5185\u5b58\u8bbf\u95ee\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\uff0c\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u8865\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u53ca\u65f6\u66f4\u65b0\uff1ahttps://github.com/VirusTotal/yara",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-44966",
  "openTime": "2019-12-11",
  "products": {
    "product": "YARA YARA 3.11.0"
  },
  "referenceLink": "https://github.com/VirusTotal/yara/issues/1178\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-19648",
  "serverity": "\u4e2d",
  "submitTime": "2019-12-09",
  "title": "YARA\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2019-19648 (GCVE-0-2019-19648)

Vulnerability from cvelistv5 – Published: 2019-12-09 00:37 – Updated: 2024-08-05 02:25

Summary

In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/VirusTotal/yara/issues/1178	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

To clipboard

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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-2019-44966

CVE-2019-19648 (GCVE-0-2019-19648)

Tags

Sightings

Nomenclature