Vulnerability-Lookup

CNVD-2015-05096

Vulnerability from cnvd - Published: 2015-08-04

Title

Cisco IOS XE拒绝服务漏洞

Description

Cisco IOS XE是美国思科（Cisco）公司为其网络设备开发的操作系统。 Cisco IOS XE 3.13S及之前版本的packet reassembly子系统中存在安全漏洞，该漏洞源于程序执行分片数据包重组失败时，会向控制台和系统日志发送ATTN-3-SYNC_TIMEOUT错误消息。远程攻击者可通过发送大量畸形的IPv4或IPv6数据包利用该漏洞造成拒绝服务（CPU消耗和数据包丢失）。

Severity

中

Patch Name

Cisco IOS XE拒绝服务漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://tools.cisco.com/bugsearch/bug/CSCuo37957

Reference

http://tools.cisco.com/security/center/viewAlert.x?alertId=40215

Impacted products

Name
Cisco IOS XE <=3.13S

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "76101"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-4293"
    }
  },
  "description": "Cisco IOS XE\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS XE 3.13S\u53ca\u4e4b\u524d\u7248\u672c\u7684packet reassembly\u5b50\u7cfb\u7edf\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6267\u884c\u5206\u7247\u6570\u636e\u5305\u91cd\u7ec4\u5931\u8d25\u65f6\uff0c\u4f1a\u5411\u63a7\u5236\u53f0\u548c\u7cfb\u7edf\u65e5\u5fd7\u53d1\u9001ATTN-3-SYNC_TIMEOUT\u9519\u8bef\u6d88\u606f\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u5927\u91cf\u7578\u5f62\u7684IPv4\u6216IPv6\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08CPU\u6d88\u8017\u548c\u6570\u636e\u5305\u4e22\u5931\uff09\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://tools.cisco.com/bugsearch/bug/CSCuo37957",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-05096",
  "openTime": "2015-08-04",
  "patchDescription": "Cisco IOS XE\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\nCisco IOS XE 3.13S\u53ca\u4e4b\u524d\u7248\u672c\u7684packet reassembly\u5b50\u7cfb\u7edf\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u6267\u884c\u5206\u7247\u6570\u636e\u5305\u91cd\u7ec4\u5931\u8d25\u65f6\uff0c\u4f1a\u5411\u63a7\u5236\u53f0\u548c\u7cfb\u7edf\u65e5\u5fd7\u53d1\u9001ATTN-3-SYNC_TIMEOUT\u9519\u8bef\u6d88\u606f\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u5927\u91cf\u7578\u5f62\u7684IPv4\u6216IPv6\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08CPU\u6d88\u8017\u548c\u6570\u636e\u5305\u4e22\u5931\uff09\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": "Cisco IOS XE\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco IOS XE \u003c=3.13S"
  },
  "referenceLink": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40215",
  "serverity": "\u4e2d",
  "submitTime": "2015-08-03",
  "title": "Cisco IOS XE\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-4293 (GCVE-0-2015-4293)

Vulnerability from cvelistv5 – Published: 2015-07-30 14:00 – Updated: 2024-08-06 06:11

Summary

The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (CPU consumption or packet loss) via fragmented (1) IPv4 or (2) IPv6 packets that trigger ATTN-3-SYNC_TIMEOUT errors after reassembly failures, aka Bug ID CSCuo37957.

Severity ?

No CVSS data available.

CWE

Assigner

cisco

References

URL

Tags

	http://tools.cisco.com/security/center/viewAlert.…	vendor-advisoryx_refsource_CISCO
	http://www.securitytracker.com/id/1033122	vdb-entryx_refsource_SECTRACK

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T06:11:12.177Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20150729 Cisco IOS-XE Fragmented Packet Resource Consumption Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40215"
          },
          {
            "name": "1033122",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1033122"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-07-29T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (CPU consumption or packet loss) via fragmented (1) IPv4 or (2) IPv6 packets that trigger ATTN-3-SYNC_TIMEOUT errors after reassembly failures, aka Bug ID CSCuo37957."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2015-08-14T16:57:05",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20150729 Cisco IOS-XE Fragmented Packet Resource Consumption Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40215"
        },
        {
          "name": "1033122",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1033122"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "ID": "CVE-2015-4293",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (CPU consumption or packet loss) via fragmented (1) IPv4 or (2) IPv6 packets that trigger ATTN-3-SYNC_TIMEOUT errors after reassembly failures, aka Bug ID CSCuo37957."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20150729 Cisco IOS-XE Fragmented Packet Resource Consumption Vulnerability",
              "refsource": "CISCO",
              "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=40215"
            },
            {
              "name": "1033122",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1033122"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2015-4293",
    "datePublished": "2015-07-30T14:00:00",
    "dateReserved": "2015-06-04T00:00:00",
    "dateUpdated": "2024-08-06T06:11:12.177Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2015-05096

CVE-2015-4293 (GCVE-0-2015-4293)

Tags

Sightings

Nomenclature