cnvd - cnvd-2019-04911

cnvd-2019-04911

Vulnerability from cnvd

Title: WinRAR ACE文件验证逻辑绕过漏洞

Description:

WinRAR是一款压缩包管理器，作为档案工具RAR在 Windows环境下的图形界面，可用于备份数据、压缩文件、解压RAR/ZIP等格式的文件、创建 RAR/ZIP 等格式的压缩文件，得到了较为广泛的应用。

WinRAR ACE文件存在验证逻辑绕过漏洞。攻击者可利用漏洞将文件提取到有效执行代码的任意位置。

Severity: 高

Patch Name: WinRAR ACE文件验证逻辑绕过漏洞的补丁

Patch Description:

WinRAR ACE文件存在验证逻辑绕过漏洞。攻击者可利用漏洞将文件提取到有效执行代码的任意位置。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:

WinRAR厂商已发布新版本修复此漏洞，建议立即升级至最新版本： https://www.win-rar.com/download.html

Reference: https://research.checkpoint.com/extracting-code-execution-from-winrar/

Impacted products

Name
WinRAR WinRAR <70 Beta 1

Show details on source website

JSON

To clipboard

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    "bid": {
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    "cve": {
      "cveNumber": "CVE-2018-20250"
    }
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  "discovererName": "WinRAR",
  "formalWay": "WinRAR\u5382\u5546\u5df2\u53d1\u5e03\u65b0\u7248\u672c\u4fee\u590d\u6b64\u6f0f\u6d1e\uff0c\u5efa\u8bae\u7acb\u5373\u5347\u7ea7\u81f3\u6700\u65b0\u7248\u672c\uff1a\r\nhttps://www.win-rar.com/download.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-04911",
  "openTime": "2019-02-22",
  "patchDescription": "WinRAR\u662f\u4e00\u6b3e\u538b\u7f29\u5305\u7ba1\u7406\u5668\uff0c\u4f5c\u4e3a\u6863\u6848\u5de5\u5177RAR\u5728 Windows\u73af\u5883\u4e0b\u7684\u56fe\u5f62\u754c\u9762\uff0c\u53ef\u7528\u4e8e\u5907\u4efd\u6570\u636e\u3001\u538b\u7f29\u6587\u4ef6\u3001\u89e3\u538bRAR/ZIP\u7b49\u683c\u5f0f\u7684\u6587\u4ef6\u3001\u521b\u5efa RAR/ZIP \u7b49\u683c\u5f0f\u7684\u538b\u7f29\u6587\u4ef6\uff0c\u5f97\u5230\u4e86\u8f83\u4e3a\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\r\n\r\nWinRAR ACE\u6587\u4ef6\u5b58\u5728\u9a8c\u8bc1\u903b\u8f91\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5c06\u6587\u4ef6\u63d0\u53d6\u5230\u6709\u6548\u6267\u884c\u4ee3\u7801\u7684\u4efb\u610f\u4f4d\u7f6e\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": "WinRAR ACE\u6587\u4ef6\u9a8c\u8bc1\u903b\u8f91\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "WinRAR WinRAR \u003c70 Beta 1"
  },
  "referenceLink": "https://research.checkpoint.com/extracting-code-execution-from-winrar/",
  "serverity": "\u9ad8",
  "submitTime": "2019-02-21",
  "title": "WinRAR ACE\u6587\u4ef6\u9a8c\u8bc1\u903b\u8f91\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2018-20250 (GCVE-0-2018-20250)

Vulnerability from cvelistv5

Published

2019-02-05 20:00

Modified

2025-07-30 01:46

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-36 - Absolute Path Traversal

Summary

In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.

References

▼	URL	Tags
	https://github.com/blau72/CVE-2018-20250-WinRAR-ACE	x_refsource_MISC
	https://research.checkpoint.com/extracting-code-execution-from-winrar/	x_refsource_MISC
	https://www.exploit-db.com/exploits/46552/	exploit, x_refsource_EXPLOIT-DB
	http://www.securityfocus.com/bid/106948	vdb-entry, x_refsource_BID
	https://www.win-rar.com/whatsnew.html	x_refsource_MISC
	http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html	x_refsource_MISC
	http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace	x_refsource_MISC
	https://www.exploit-db.com/exploits/46756/	exploit, x_refsource_EXPLOIT-DB

Impacted products

	Vendor	Product	Version
	Check Point Software Technologies Ltd.	WinRAR	Version: All versions prior and including 5.61

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 seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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