cnvd - cnvd-2018-20536

cnvd-2018-20536

Vulnerability from cnvd

Title: Net-SNMP拒绝服务漏洞

Description:

Net-SNMP是一套开源的简单网络管理协议（Simple Network Management Protocol）软件。该软件用于监控网络设备、电脑设备、UPS设备等。

Net-SNMP 5.8之前版本中的snmplib/snmp_api.c文件的‘snmp_oid_compare’函数存在安全漏洞。远程攻击者可借助特制的UDP数据包利用该漏洞造成拒绝服务（空指针异常）。

Severity: 中

Patch Name: Net-SNMP拒绝服务漏洞的补丁

Patch Description:

Net-SNMP是一套开源的简单网络管理协议（Simple Network Management Protocol）软件。该软件用于监控网络设备、电脑设备、UPS设备等。

Net-SNMP 5.8之前版本中的snmplib/snmp_api.c文件的‘snmp_oid_compare’函数存在安全漏洞。远程攻击者可借助特制的UDP数据包利用该漏洞造成拒绝服务（空指针异常）。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/

Reference: https://dumpco.re/blog/net-snmp-5.7.3-remote-dos https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/ https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/

Impacted products

Name
Net-SNMP Net-SNMP <5.8

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-18066"
    }
  },
  "description": "Net-SNMP\u662f\u4e00\u5957\u5f00\u6e90\u7684\u7b80\u5355\u7f51\u7edc\u7ba1\u7406\u534f\u8bae\uff08Simple Network Management Protocol\uff09\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u7528\u4e8e\u76d1\u63a7\u7f51\u7edc\u8bbe\u5907\u3001\u7535\u8111\u8bbe\u5907\u3001UPS\u8bbe\u5907\u7b49\u3002\r\n\r\nNet-SNMP 5.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684snmplib/snmp_api.c\u6587\u4ef6\u7684\u2018snmp_oid_compare\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684UDP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u5f02\u5e38\uff09\u3002",
  "discovererName": "unKnow",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-20536",
  "openTime": "2018-10-10",
  "patchDescription": "Net-SNMP\u662f\u4e00\u5957\u5f00\u6e90\u7684\u7b80\u5355\u7f51\u7edc\u7ba1\u7406\u534f\u8bae\uff08Simple Network Management Protocol\uff09\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u7528\u4e8e\u76d1\u63a7\u7f51\u7edc\u8bbe\u5907\u3001\u7535\u8111\u8bbe\u5907\u3001UPS\u8bbe\u5907\u7b49\u3002\r\n\r\nNet-SNMP 5.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684snmplib/snmp_api.c\u6587\u4ef6\u7684\u2018snmp_oid_compare\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684UDP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u5f02\u5e38\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": "Net-SNMP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Net-SNMP Net-SNMP \u003c5.8"
  },
  "referenceLink": "https://dumpco.re/blog/net-snmp-5.7.3-remote-dos\r\nhttps://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/\r\nhttps://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/",
  "serverity": "\u4e2d",
  "submitTime": "2018-10-10",
  "title": "Net-SNMP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2018-18066 (GCVE-0-2018-18066)

Vulnerability from cvelistv5

Published

2018-10-08 18:00

Modified

2025-05-06 14:41

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

Summary

snmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an unauthenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

References

▼	URL	Tags
	https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/	x_refsource_MISC
	https://dumpco.re/blog/net-snmp-5.7.3-remote-dos	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20181107-0001/	x_refsource_CONFIRM
	https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/	x_refsource_MISC
	https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

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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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