Vulnerability-Lookup

CNVD-2022-69162

Vulnerability from cnvd - Published: 2022-10-13

Title

Apache Pulsar信任管理问题漏洞

Description

Apache Pulsar是美国阿帕奇（Apache）基金会的一个用于云环境种，集消息、存储、轻量化函数式计算为一体的分布式消息流平台。该软件支持多租户、持久化存储、多机房跨区域数据复制，具有强一致性、高吞吐以及低延时的高可扩展流数据存储特性。 Apache Pulsar存在安全漏洞，该漏洞源于Java客户端和代理中的主机名验证错误，攻击者可以利用该漏洞通过中间人攻击公开身份验证数据。

Severity

中

Patch Name

Apache Pulsar信任管理问题漏洞的补丁

Patch Description

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://lists.apache.org/thread/fpo6x10trvn20hlk0dmnr5vlz5v4kl3d

Reference

https://nvd.nist.gov/vuln/detail/CVE-2022-33681

Impacted products

Name
['Apache Pulsar <2.7.5', 'Apache Pulsar >=2.8.0，<2.8.4', 'Apache Pulsar >=2.9.0，<2.9.3', 'Apache Pulsar 2.10.0']

Show details on source website

JSON

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}

CVE-2022-33681 (GCVE-0-2022-33681)

Vulnerability from cvelistv5 – Published: 2022-09-23 09:25 – Updated: 2025-05-22 20:37

Title

Improper Hostname Verification in Java Client and Proxy can expose authentication data via MITM

Summary

Delayed TLS hostname verification in the Pulsar Java Client and the Pulsar Proxy make each client vulnerable to a man in the middle attack. Connections from the Pulsar Java Client to the Pulsar Broker/Proxy and connections from the Pulsar Proxy to the Pulsar Broker are vulnerable. Authentication data is sent before verifying the server’s TLS certificate matches the hostname, which means authentication data could be exposed to an attacker. An attacker can only take advantage of this vulnerability by taking control of a machine 'between' the client and the server. The attacker must then actively manipulate traffic to perform the attack by providing the client with a cryptographically valid certificate for an unrelated host. Because the client sends authentication data before performing hostname verification, an attacker could gain access to the client’s authentication data. The client eventually closes the connection when it verifies the hostname and identifies the targeted hostname does not match a hostname on the certificate. Because the client eventually closes the connection, the value of the intercepted authentication data depends on the authentication method used by the client. Token based authentication and username/password authentication methods are vulnerable because the authentication data can be used to impersonate the client in a separate session. This issue affects Apache Pulsar Java Client versions 2.7.0 to 2.7.4; 2.8.0 to 2.8.3; 2.9.0 to 2.9.2; 2.10.0; 2.6.4 and earlier.

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-22 20:36 UTC

CWE

CWE-295 - Improper Certificate Validation

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1088 records in the last 180 days details

References

1 reference

URL	Tags
https://lists.apache.org/thread/fpo6x10trvn20hlk0…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Pulsar	Affected: 2.10.0 Affected: 2.7 , ≤ 2.7.4 (custom) Affected: 2.8 , ≤ 2.8.3 (custom) Affected: 2.9 , ≤ 2.9.2 (custom) Affected: 2.6 and earlier , ≤ 2.6.4 (custom)

Credits

This issue was discovered by Michael Marshall of DataStax.

Show details on NVD website

JSON

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              "baseScore": 5.9,
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
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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.

Vulnerability timeline

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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.
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