CNVD-2015-03294
Vulnerability from cnvd - Published: 2015-05-22
VLAI Severity ?
Title
libnetfilter_cthelper内存错误引用漏洞
Description
libnetfilter_cthelper是一个用于Linux内核中并提供基础设施编程接口的用户空间库。
libnetfilter_cthelper中存在内存错误引用漏洞，允许攻击者可利用漏洞提交特殊请求使应用程序崩溃，造成拒绝服务攻击。
Severity
中
Patch Name
libnetfilter_cthelper内存错误引用漏洞的补丁
Patch Description
libnetfilter_cthelper是一个用于Linux内核中并提供基础设施编程接口的用户空间库。libnetfilter_cthelper中存在内存错误引用漏洞，允许攻击者可利用漏洞提交特殊请求使应用程序崩溃，造成拒绝服务攻击。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： http://www.netfilter.org/projects/libnetfilter_cthelper/
Reference
http://www.securityfocus.com/bid/74250
Impacted products
| Name | Harald Welte libnetfilter_cthelper |
|---|
{
"bids": {
"bid": {
"bidNumber": "74250"
}
},
"description": "libnetfilter_cthelper\u662f\u4e00\u4e2a\u7528\u4e8eLinux\u5185\u6838\u4e2d\u5e76\u63d0\u4f9b\u57fa\u7840\u8bbe\u65bd\u7f16\u7a0b\u63a5\u53e3\u7684\u7528\u6237\u7a7a\u95f4\u5e93\u3002\r\n\r\nlibnetfilter_cthelper\u4e2d\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
"discovererName": "Seth Arnold",
"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\nhttp://www.netfilter.org/projects/libnetfilter_cthelper/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2015-03294",
"openTime": "2015-05-22",
"patchDescription": "libnetfilter_cthelper\u662f\u4e00\u4e2a\u7528\u4e8eLinux\u5185\u6838\u4e2d\u5e76\u63d0\u4f9b\u57fa\u7840\u8bbe\u65bd\u7f16\u7a0b\u63a5\u53e3\u7684\u7528\u6237\u7a7a\u95f4\u5e93\u3002libnetfilter_cthelper\u4e2d\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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": "libnetfilter_cthelper\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Harald Welte libnetfilter_cthelper"
},
"referenceLink": "http://www.securityfocus.com/bid/74250",
"serverity": "\u4e2d",
"submitTime": "2015-05-20",
"title": "libnetfilter_cthelper\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e"
}
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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.
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