Integer oerflow in RabbitMQ C client

1) Integer overflow

EUVDB-ID: #VU23428

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-18609

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow in amqp_handle_input() function in librabbitmq/amqp_connection.c in rabbitmq-c when handling the CONNECTION_STATE_HEADER. A remote attacker that controls a malicious server can send a specially crafted response to the application, trigger integer overflow 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

RabbitMQ C client: 0.9.0

External links

http://github.com/alanxz/rabbitmq-c/blob/master/ChangeLog.md
http://github.com/alanxz/rabbitmq-c/commit/fc85be7123050b91b054e45b91c78d3241a5047a
http://news.ycombinator.com/item?id=21681976

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.