CVE-2022-24280

Apache Pulsar Proxy target broker address isn't validated

State: Published
Severity: 6.5 Medium
Published: Sep 23, 2022
Updated: May 22, 2025
Reserved: Jan 31, 2022

Description

Improper Input Validation vulnerability in Proxy component of Apache Pulsar allows an attacker to make TCP/IP connection attempts that originate from the Pulsar Proxy's IP address. When the Apache Pulsar Proxy component is used, it is possible to attempt to open TCP/IP connections to any IP address and port that the Pulsar Proxy can connect to. An attacker could use this as a way for DoS attacks that originate from the Pulsar Proxy's IP address. It hasn’t been detected that the Pulsar Proxy authentication can be bypassed. The attacker will have to have a valid token to a properly secured Pulsar Proxy. This issue affects Apache Pulsar Proxy versions 2.7.0 to 2.7.4; 2.8.0 to 2.8.2; 2.9.0 to 2.9.1; 2.6.4 and earlier.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
Apache PulsarApache Software Foundation	2.7 through 2.7.4Affected 2.8 through 2.8.2Affected 2.9 through 2.9.1Affected 2.6 and earlier through 2.6.4Affected

References

https://lists.apache.org/thread/ghs9jtjfbpy4c6xcftyvkl6swznlom1v

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