cnvd - cnvd-2018-08773

cnvd-2018-08773

Vulnerability from cnvd

Title: Cisco IOS XR拒绝服务漏洞（CNVD-2018-08773）

Description:

Cisco IOS XR Software是美国思科（Cisco）公司的IOS软件系列（包括IOS T、IOS S和IOS XR）中的一套完全模块化、分布式的网络操作系统。

Cisco IOS XR Software 6.3.1版本、6.2.3及之前版本中的UDP广播发送功能存在资源管理错误漏洞，该漏洞源于程序未能正确的处理发送到IPv4兼容助手服务地址的UDP广播数据包。攻击者可通过发送多个UDP广播数据包利用该漏洞造成拒绝服务。

Severity: 中

Patch Name: Cisco IOS XR拒绝服务漏洞（CNVD-2018-08773）的补丁

Patch Description:

Cisco IOS XR Software是美国思科（Cisco）公司的IOS软件系列（包括IOS T、IOS S和IOS XR）中的一套完全模块化、分布式的网络操作系统。

Cisco IOS XR Software 6.3.1版本、6.2.3及之前版本中的UDP广播发送功能存在资源管理错误漏洞，该漏洞源于程序未能正确的处理发送到IPv4兼容助手服务地址的UDP广播数据包。攻击者可通过发送多个UDP广播数据包利用该漏洞造成拒绝服务。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:

厂商已发布漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-iosxr

Reference: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-iosxr

Impacted products

Name
['Cisco IOS XR Software 6.3.1', 'Cisco IOS XR Software <=6.2.3']

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "103929"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-0241"
    }
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  "description": "Cisco IOS XR Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684IOS\u8f6f\u4ef6\u7cfb\u5217\uff08\u5305\u62ecIOS T\u3001IOS S\u548cIOS XR\uff09\u4e2d\u7684\u4e00\u5957\u5b8c\u5168\u6a21\u5757\u5316\u3001\u5206\u5e03\u5f0f\u7684\u7f51\u7edc\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS XR Software 6.3.1\u7248\u672c\u30016.2.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684UDP\u5e7f\u64ad\u53d1\u9001\u529f\u80fd\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u53d1\u9001\u5230IPv4\u517c\u5bb9\u52a9\u624b\u670d\u52a1\u5730\u5740\u7684UDP\u5e7f\u64ad\u6570\u636e\u5305\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u591a\u4e2aUDP\u5e7f\u64ad\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-08773",
  "openTime": "2018-05-03",
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  "patchName": "Cisco IOS XR\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-08773\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS XR Software 6.3.1",
      "Cisco IOS XR Software \u003c=6.2.3"
    ]
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-iosxr",
  "serverity": "\u4e2d",
  "submitTime": "2018-04-19",
  "title": "Cisco IOS XR\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-08773\uff09"
}

CVE-2018-0241 (GCVE-0-2018-0241)

Vulnerability from cvelistv5

Published

2018-04-19 20:00

Modified

2024-11-29 15:16

Severity ?

CWE

CWE-399

Summary

A vulnerability in the UDP broadcast forwarding function of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to improper handling of UDP broadcast packets that are forwarded to an IPv4 helper address. An attacker could exploit this vulnerability by sending multiple UDP broadcast packets to the affected device. An exploit could allow the attacker to cause a buffer leak on the affected device, eventually resulting in a DoS condition requiring manual intervention to recover. This vulnerability affects all Cisco IOS XR platforms running 6.3.1, 6.2.3, or earlier releases of Cisco IOS XR Software when at least one IPv4 helper address is configured on an interface of the device. Cisco Bug IDs: CSCvi35625.

References

▼	URL	Tags
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-iosxr	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1040710	vdb-entry, x_refsource_SECTRACK
	http://www.securityfocus.com/bid/103929	vdb-entry, x_refsource_BID

Impacted products

	Vendor	Product	Version
	n/a	Cisco IOS XR	Version: Cisco IOS XR

Show details on NVD website

JSON

To clipboard

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          },
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          },
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        ],
        "title": "CVE Program Container"
      },
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                  }
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        },
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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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