Vulnerability-Lookup

CNVD-2017-01523

Vulnerability from cnvd - Published: 2017-02-17

Title

libevent拒绝服务漏洞

Description

libevent是一个事件触发的网络库，适用于windows、linux、bsd等多种平台，内部使用select、epoll、kqueue等系统调用管理事件机制。 libevent存在拒绝服务漏洞。攻击者可利用该漏洞使应用程序崩溃，造成拒绝服务或任意代码执行。

Severity

高

Patch Name

libevent拒绝服务漏洞的补丁

Patch Description

libevent是一个事件触发的网络库，适用于windows、linux、bsd等多种平台，内部使用select、epoll、kqueue等系统调用管理事件机制。 libevent存在拒绝服务漏洞。攻击者可利用该漏洞使应用程序崩溃，造成拒绝服务或任意代码执行。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

用户可联系供应商获得补丁信息： http://libevent.org/

Reference

http://www.securityfocus.com/bid/96014

Impacted products

Name
libevent Libevent 2

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "96014"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-10195"
    }
  },
  "description": "libevent\u662f\u4e00\u4e2a\u4e8b\u4ef6\u89e6\u53d1\u7684\u7f51\u7edc\u5e93\uff0c\u9002\u7528\u4e8ewindows\u3001linux\u3001bsd\u7b49\u591a\u79cd\u5e73\u53f0\uff0c\u5185\u90e8\u4f7f\u7528select\u3001epoll\u3001kqueue\u7b49\u7cfb\u7edf\u8c03\u7528\u7ba1\u7406\u4e8b\u4ef6\u673a\u5236\u3002\r\n\r\nlibevent\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u4efb\u610f\u4ee3\u7801\u6267\u884c\u3002",
  "discovererName": "Guido Vranken.",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://libevent.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-01523",
  "openTime": "2017-02-17",
  "patchDescription": "libevent\u662f\u4e00\u4e2a\u4e8b\u4ef6\u89e6\u53d1\u7684\u7f51\u7edc\u5e93\uff0c\u9002\u7528\u4e8ewindows\u3001linux\u3001bsd\u7b49\u591a\u79cd\u5e73\u53f0\uff0c\u5185\u90e8\u4f7f\u7528select\u3001epoll\u3001kqueue\u7b49\u7cfb\u7edf\u8c03\u7528\u7ba1\u7406\u4e8b\u4ef6\u673a\u5236\u3002\r\n\r\nlibevent\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u4efb\u610f\u4ee3\u7801\u6267\u884c\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": "libevent\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libevent Libevent 2"
  },
  "referenceLink": "http://www.securityfocus.com/bid/96014",
  "serverity": "\u9ad8",
  "submitTime": "2017-02-10",
  "title": "libevent\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-10195 (GCVE-0-2016-10195)

Vulnerability from cvelistv5 – Published: 2017-03-15 15:00 – Updated: 2024-08-06 03:14

Summary

The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

12 references

URL	Tags
http://www.securityfocus.com/bid/96014	vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2017:1106	vendor-advisoryx_refsource_REDHAT
http://www.debian.org/security/2017/dsa-3789	vendor-advisoryx_refsource_DEBIAN
http://www.openwall.com/lists/oss-security/2017/02/02/7	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201705-01	vendor-advisoryx_refsource_GENTOO
https://github.com/libevent/libevent/issues/317	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2017/0…	mailing-listx_refsource_MLIST
http://www.securitytracker.com/id/1038320	vdb-entryx_refsource_SECTRACK
https://github.com/libevent/libevent/blob/release…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:1104	vendor-advisoryx_refsource_REDHAT
https://github.com/libevent/libevent/commit/96f64…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:1201	vendor-advisoryx_refsource_REDHAT

Date Public

2017-01-31 00:00

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2017-01523

CVE-2016-10195 (GCVE-0-2016-10195)

Tags

Sightings

Nomenclature

Related by attack behaviour