CNVD-2015-04230
Vulnerability from cnvd - Published: 2015-07-06
VLAI Severity ?
Title
Tor 'strlcat_chk.c'远程拒绝服务漏洞
Description
Tor是第二代洋葱路由的一种实现，主要用于匿名访问互联网。
Tor存在远程拒绝服务漏洞，允许远程攻击者可利用漏洞提交特殊请求使受影响的应用程序崩溃，造成拒绝服务。
Severity
中
Patch Name
Tor 'strlcat_chk.c'远程拒绝服务漏洞的补丁
Patch Description
Tor是第二代洋葱路由的一种实现，主要用于匿名访问互联网。Tor存在远程拒绝服务漏洞，允许远程攻击者可利用漏洞提交特殊请求使受影响的应用程序崩溃，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
用户可参考如下厂商提供的安全补丁以修复该漏洞： https://blog.torproject.org/blog/tor-02426-and-02511-are-released
Reference
http://www.securityfocus.com/bid/73302
Impacted products
| Name | Tor Tor < 0.2.4.20 |
|---|
{
"bids": {
"bid": {
"bidNumber": "73302"
}
},
"description": "Tor\u662f\u7b2c\u4e8c\u4ee3\u6d0b\u8471\u8def\u7531\u7684\u4e00\u79cd\u5b9e\u73b0\uff0c\u4e3b\u8981\u7528\u4e8e\u533f\u540d\u8bbf\u95ee\u4e92\u8054\u7f51\u3002\r\n\r\nTor\u5b58\u5728\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\u4f7f\u53d7\u5f71\u54cd\u7684\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
"discovererName": "nickm",
"formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://blog.torproject.org/blog/tor-02426-and-02511-are-released",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2015-04230",
"openTime": "2015-07-06",
"patchDescription": "Tor\u662f\u7b2c\u4e8c\u4ee3\u6d0b\u8471\u8def\u7531\u7684\u4e00\u79cd\u5b9e\u73b0\uff0c\u4e3b\u8981\u7528\u4e8e\u533f\u540d\u8bbf\u95ee\u4e92\u8054\u7f51\u3002Tor\u5b58\u5728\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u8bf7\u6c42\u4f7f\u53d7\u5f71\u54cd\u7684\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "Tor \u0027strlcat_chk.c\u0027\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Tor Tor \u003c 0.2.4.20"
},
"referenceLink": "http://www.securityfocus.com/bid/73302",
"serverity": "\u4e2d",
"submitTime": "2015-07-02",
"title": "Tor \u0027strlcat_chk.c\u0027\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\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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