cnvd - cnvd-2021-39255

CNVD-2021-39255

Vulnerability from cnvd - Published: 2021-06-03

Title

ZeroMQ存在未明漏洞

Description

ZeroMQ是一个轻量级分布式消息传递引擎核心库。 ZeroMQ server 4.3.3之前版本存在安全漏洞，该漏洞源于允许恶意客户端通过发送精心设计的主题订阅请求，然后取消订阅，从而导致服务器上的堆栈缓冲区溢出。目前没有详细漏洞细节提供。

Severity

高

Patch Name

ZeroMQ存在未名漏洞的补丁

Patch Description

ZeroMQ是一个轻量级分布式消息传递引擎核心库。 ZeroMQ server 4.3.3之前版本存在安全漏洞，该漏洞源于允许恶意客户端通过发送精心设计的主题订阅请求，然后取消订阅，从而导致服务器上的堆栈缓冲区溢出。目前没有详细漏洞细节提供。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-qq65-x72m-9wr8

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-20236

Impacted products

Name
ZeroMQ ZeroMQ <4.3.3

Show details on source website

JSON

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{
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    "cve": {
      "cveNumber": "CVE-2021-20236",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20236"
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  "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://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-39255",
  "openTime": "2021-06-03",
  "patchDescription": "ZeroMQ\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u5206\u5e03\u5f0f\u6d88\u606f\u4f20\u9012\u5f15\u64ce\u6838\u5fc3\u5e93\u3002\r\n\r\nZeroMQ server 4.3.3\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5141\u8bb8\u6076\u610f\u5ba2\u6237\u7aef\u901a\u8fc7\u53d1\u9001\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u4e3b\u9898\u8ba2\u9605\u8bf7\u6c42\uff0c\u7136\u540e\u53d6\u6d88\u8ba2\u9605\uff0c\u4ece\u800c\u5bfc\u81f4\u670d\u52a1\u5668\u4e0a\u7684\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "ZeroMQ\u5b58\u5728\u672a\u540d\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "ZeroMQ ZeroMQ \u003c4.3.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20236",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-02",
  "title": "ZeroMQ\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-20236 (GCVE-0-2021-20236)

Vulnerability from cvelistv5 – Published: 2021-05-28 10:42 – Updated: 2024-08-03 17:37

Summary

A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Severity ?

No CVSS data available.

CWE

CWE-120 - >CWE-787

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1921976	x_refsource_MISC
	https://github.com/zeromq/libzmq/security/advisor…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	zeromq	Affected: 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 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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2021-39255

CVE-2021-20236 (GCVE-0-2021-20236)

Tags

Sightings

Nomenclature