Remote code execution in Apache Flume

1) Deserialization of Untrusted Data

EUVDB-ID: #VU64552

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-25167

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

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

The vulnerability exists due to insecure input validation when processing serialized data in the JMSSource class. A remote attacker can send a specially crafted JNDI lookup and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Flume: 1.4.0 - 1.9.0

External links

http://lists.apache.org/thread/16nf6b81zjpdc4y93ho99oxo83ddbsvg
http://issues.apache.org/jira/browse/FLUME-3416
http://www.openwall.com/lists/oss-security/2022/06/14/1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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