cnvd-2016-01603
Vulnerability from cnvd
Title: ISC DHCP拒绝服务漏洞（CNVD-2016-01603）
Description:
ISC DHCP是美国ISC（Internet Systems Consortium）公司的一套开源的动态主机配置协议服务器软件。
ISC DHCP中存在安全漏洞，该漏洞源于程序未能限制并发的TCP会话数量。远程攻击者可通过建立多个会话利用该漏洞造成拒绝服务（INSIST断言失败或请求处理中断）。
Severity: 中
Patch Name: ISC DHCP拒绝服务漏洞（CNVD-2016-01603）的补丁
Patch Description:
ISC DHCP是美国ISC（Internet Systems Consortium）公司的一套开源的动态主机配置协议服务器软件。
ISC DHCP中存在安全漏洞，该漏洞源于程序未能限制并发的TCP会话数量。远程攻击者可通过建立多个会话利用该漏洞造成拒绝服务（INSIST断言失败或请求处理中断）。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:
用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： https://kb.isc.org/article/AA-01354
Reference: https://kb.isc.org/article/AA-01354
Impacted products
| Name | ['ISC DHCP 4.2.x', 'ISC DHCP 4.1.x(<4.1-ESV-R13)', 'ISC DHCP 4.3.x(<4.3.4)'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2016-2774"
}
},
"description": "ISC DHCP\u662f\u7f8e\u56fdISC\uff08Internet Systems Consortium\uff09\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8bae\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\r\n\r\nISC DHCP\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9650\u5236\u5e76\u53d1\u7684TCP\u4f1a\u8bdd\u6570\u91cf\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5efa\u7acb\u591a\u4e2a\u4f1a\u8bdd\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08INSIST\u65ad\u8a00\u5931\u8d25\u6216\u8bf7\u6c42\u5904\u7406\u4e2d\u65ad\uff09\u3002",
"discovererName": "ISC",
"formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://kb.isc.org/article/AA-01354",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-01603",
"openTime": "2016-03-14",
"patchDescription": "ISC DHCP\u662f\u7f8e\u56fdISC\uff08Internet Systems Consortium\uff09\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8bae\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\r\n\r\nISC DHCP\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9650\u5236\u5e76\u53d1\u7684TCP\u4f1a\u8bdd\u6570\u91cf\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5efa\u7acb\u591a\u4e2a\u4f1a\u8bdd\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08INSIST\u65ad\u8a00\u5931\u8d25\u6216\u8bf7\u6c42\u5904\u7406\u4e2d\u65ad\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": "ISC DHCP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-01603\uff09\u7684\u8865\u4e01",
"products": {
"product": [
"ISC DHCP 4.2.x",
"ISC DHCP 4.1.x(\u003c4.1-ESV-R13)",
"ISC DHCP 4.3.x(\u003c4.3.4)"
]
},
"referenceLink": "https://kb.isc.org/article/AA-01354",
"serverity": "\u4e2d",
"submitTime": "2016-03-10",
"title": "ISC DHCP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-01603\uff09"
}
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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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