Vulnerability-Lookup

CNVD-2021-47381

Vulnerability from cnvd - Published: 2021-07-05

Title

Prosodical Thoughts Prosody资源管理错误漏洞

Description

Prosodical Thoughts Prosody是Prosodical Thoughts开源的一个应用系统。一个现代XMPP通信服务器。 Prosody 0.11.9版本之前存在安全漏洞。攻击者可以通过大量SSL/TLS重新协商请求来控制CPU消耗。

Severity

高

Patch Name

Prosodical Thoughts Prosody资源管理错误漏洞的补丁

Patch Description

Prosodical Thoughts Prosody是Prosodical Thoughts开源的一个应用系统。一个现代XMPP通信服务器。 Prosody 0.11.9版本之前存在安全漏洞。攻击者可以通过大量SSL/TLS重新协商请求来控制CPU消耗。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://blog.prosody.im/prosody-0.11.9-released/

Reference

http://www.openwall.com/lists/oss-security/2021/05/14/2

Impacted products

Name
Prosody Prosody 0.11.9

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2021-32920",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-32920"
    }
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-47381",
  "openTime": "2021-07-05",
  "patchDescription": "Prosodical Thoughts Prosody\u662fProsodical Thoughts\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u7cfb\u7edf\u3002\u4e00\u4e2a\u73b0\u4ee3XMPP\u901a\u4fe1\u670d\u52a1\u5668\u3002\r\n\r\nProsody 0.11.9\u7248\u672c\u4e4b\u524d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u5927\u91cfSSL/TLS\u91cd\u65b0\u534f\u5546\u8bf7\u6c42\u6765\u63a7\u5236CPU\u6d88\u8017\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",
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  "referenceLink": "http://www.openwall.com/lists/oss-security/2021/05/14/2",
  "serverity": "\u9ad8",
  "submitTime": "2021-07-01",
  "title": "Prosodical Thoughts Prosody\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-32920 (GCVE-0-2021-32920)

Vulnerability from cvelistv5 – Published: 2021-05-13 15:14 – Updated: 2024-08-03 23:33

Summary

Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

8 references

URL	Tags
https://blog.prosody.im/prosody-0.11.9-released/	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/05/13/1	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/05/14/2	mailing-listx_refsource_MLIST
https://www.debian.org/security/2021/dsa-4916	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202105-15	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.