Vulnerability identifier: #VU87560

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-27135

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Pulsar
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Apache Foundation

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote authenticated user can send a specially crafted request and execute arbitrary Java code on the Pulsar Function worker.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Pulsar: 3.2.0, 3.1.0 - 3.1.2, 3.0.0 - 3.0.2, 2.11.0 - 2.11.3, 2.10.0 - 2.10.5, 2.9.0 - 2.9.5, 2.8.0 - 2.8.4, 2.7.0 - 2.7.5, 2.6.0 - 2.6.4, 2.5.0 - 2.5.2, 2.4.0 - 2.4.2

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External links
http://lists.apache.org/thread/dh8nj2vmb2br6thjltq74lk9jxkz62wn
http://pulsar.apache.org/security/CVE-2024-27135/
http://lists.apache.org/thread/y5f2vht63h0sc1xcyt5s1l4scdshxb3l

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.