Vulnerability Details : CVE-2023-37544
Improper Authentication vulnerability in Apache Pulsar WebSocket Proxy allows an attacker to connect to the /pingpong endpoint without authentication.
This issue affects Apache Pulsar WebSocket Proxy: from 2.8.0 through 2.8.*, from 2.9.0 through 2.9.*, from 2.10.0 through 2.10.4, from 2.11.0 through 2.11.1, 3.0.0.
The known risks include a denial of service due to the WebSocket Proxy accepting any connections, and excessive data transfer due to misuse of the WebSocket ping/pong feature.
2.10 Pulsar WebSocket Proxy users should upgrade to at least 2.10.5.
2.11 Pulsar WebSocket Proxy users should upgrade to at least 2.11.2.
3.0 Pulsar WebSocket Proxy users should upgrade to at least 3.0.1.
3.1 Pulsar WebSocket Proxy users are unaffected.
Any users running the Pulsar WebSocket Proxy for 2.8, 2.9, and earlier should upgrade to one of the above patched versions.
Vulnerability category: BypassGain privilegeDenial of service
Products affected by CVE-2023-37544
- cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:*
- cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:*
- cpe:2.3:a:apache:pulsar:3.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-37544
0.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-37544
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | 2024-01-04 |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
Apache Software Foundation |
CWE ids for CVE-2023-37544
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: security@apache.org (Primary)
References for CVE-2023-37544
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http://www.openwall.com/lists/oss-security/2023/12/20/2
oss-security - CVE-2023-37544: Apache Pulsar WebSocket Proxy: Improper Authentication for WebSocket Proxy Endpoint Allows DoSMailing List
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https://lists.apache.org/thread/od0k9zts1toc9h9snbqq4pjpyx28mv4m
CVE-2023-37544: Apache Pulsar WebSocket Proxy: Improper Authentication for WebSocket Proxy Endpoint Allows DoS-Apache Mail ArchivesMailing List
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