cnvd - cnvd-2021-41092

cnvd-2021-41092

Vulnerability from cnvd

Title: ZeroMQ资源管理错误漏洞

Description:

ZeroMQ是一个轻量级分布式消息传递引擎核心库。

ZeroMQ存在安全漏洞，该漏洞源于一个不受控制的资源消耗缺陷。远程未经身份验证的攻击者可利用该漏洞发送消耗过多内存的精心制作的PUB消息，从而导致拒绝服务。

Severity: 中

Patch Name: ZeroMQ资源管理错误漏洞的补丁

Patch Description:

ZeroMQ是一个轻量级分布式消息传递引擎核心库。

ZeroMQ 存在安全漏洞，该漏洞源于一个不受控制的资源消耗缺陷。远程未经身份验证的攻击者可利用该漏洞发送消耗过多内存的精心制作的PUB消息，从而导致拒绝服务。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-20237

Impacted products

Name
ZeroMQ ZeroMQ <4.3.3

Show details on source website

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{
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    "cve": {
      "cveNumber": "CVE-2021-20237",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20237"
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  "number": "CNVD-2021-41092",
  "openTime": "2021-06-11",
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  "products": {
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  "serverity": "\u4e2d",
  "submitTime": "2021-05-31",
  "title": "ZeroMQ\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-20237 (GCVE-0-2021-20237)

Vulnerability from cvelistv5

Published

2021-05-28 10:42

Modified

2024-08-03 17:37

Severity ?

CWE

CWE-400

Summary

An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1921989	x_refsource_MISC
	https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	zeromq	Version: zeromq 4.3.3

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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