cnvd - cnvd-2015-02804

cnvd-2015-02804

Vulnerability from cnvd

Title: Dnsmasq 'setup_reply()'拒绝服务漏洞

Description:

DNSmasq是一个小巧且方便地用于配置DNS和DHCP的工具，适用于小型网络，它提供了DNS功能和可选择的DHCP功能。

Dnsmasq在实现上存在拒绝服务漏洞，通过构造的DNS请求包，远程用户利用此漏洞可读取进程内存内容，造成目标服务崩溃。

Severity: 中

Patch Name: Dnsmasq 'setup_reply()'拒绝服务漏洞的补丁

Patch Description:

DNSmasq是一个小巧且方便地用于配置DNS和DHCP的工具，适用于小型网络，它提供了DNS功能和可选择的DHCP功能。Dnsmasq在实现上存在拒绝服务漏洞，通过构造的DNS请求包，远程用户利用此漏洞可读取进程内存内容，造成目标服务崩溃。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这个安全问题，请到厂商的主页下载： http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=ad4a8ff7d9097008d7623df8543df435bfddeac8

Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-3294

Impacted products

Name
Dnsmasq Dnsmasq

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-3294"
    }
  },
  "description": "DNSmasq\u662f\u4e00\u4e2a\u5c0f\u5de7\u4e14\u65b9\u4fbf\u5730\u7528\u4e8e\u914d\u7f6eDNS\u548cDHCP\u7684\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u5c0f\u578b\u7f51\u7edc\uff0c\u5b83\u63d0\u4f9b\u4e86DNS\u529f\u80fd\u548c\u53ef\u9009\u62e9\u7684DHCP\u529f\u80fd\u3002\r\n\r\nDnsmasq\u5728\u5b9e\u73b0\u4e0a\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u901a\u8fc7\u6784\u9020\u7684DNS\u8bf7\u6c42\u5305\uff0c\u8fdc\u7a0b\u7528\u6237\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u8bfb\u53d6\u8fdb\u7a0b\u5185\u5b58\u5185\u5bb9\uff0c\u9020\u6210\u76ee\u6807\u670d\u52a1\u5d29\u6e83\u3002",
  "discovererName": "Nick Sampanis",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html\r\nhttp://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=ad4a8ff7d9097008d7623df8543df435bfddeac8",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02804",
  "openTime": "2015-04-29",
  "patchDescription": "DNSmasq\u662f\u4e00\u4e2a\u5c0f\u5de7\u4e14\u65b9\u4fbf\u5730\u7528\u4e8e\u914d\u7f6eDNS\u548cDHCP\u7684\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u5c0f\u578b\u7f51\u7edc\uff0c\u5b83\u63d0\u4f9b\u4e86DNS\u529f\u80fd\u548c\u53ef\u9009\u62e9\u7684DHCP\u529f\u80fd\u3002Dnsmasq\u5728\u5b9e\u73b0\u4e0a\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u901a\u8fc7\u6784\u9020\u7684DNS\u8bf7\u6c42\u5305\uff0c\u8fdc\u7a0b\u7528\u6237\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u8bfb\u53d6\u8fdb\u7a0b\u5185\u5b58\u5185\u5bb9\uff0c\u9020\u6210\u76ee\u6807\u670d\u52a1\u5d29\u6e83\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": "Dnsmasq \u0027setup_reply()\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dnsmasq Dnsmasq"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-3294",
  "serverity": "\u4e2d",
  "submitTime": "2015-04-28",
  "title": "Dnsmasq \u0027setup_reply()\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-3294 (GCVE-0-2015-3294)

Vulnerability from cvelistv5

Published

2015-05-08 14:00

Modified

2024-08-06 05:39

Severity ?

CWE

Summary

The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.

References

▼	URL	Tags
	http://www.debian.org/security/2015/dsa-3251	vendor-advisory, x_refsource_DEBIAN
	http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html	mailing-list, x_refsource_MLIST
	http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html	vendor-advisory, x_refsource_SUSE
	http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8	x_refsource_CONFIRM
	http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html	x_refsource_CONFIRM
	http://www.ubuntu.com/usn/USN-2593-1	vendor-advisory, x_refsource_UBUNTU
	https://security.gentoo.org/glsa/201512-01	vendor-advisory, x_refsource_GENTOO
	http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html	mailing-list, x_refsource_MLIST
	http://www.securitytracker.com/id/1032195	vdb-entry, x_refsource_SECTRACK
	http://www.securityfocus.com/bid/74452	vdb-entry, x_refsource_BID
	http://www.securityfocus.com/archive/1/535354/100/1100/threaded	mailing-list, x_refsource_BUGTRAQ

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

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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