Integer overflow in RabbitMQ C client - CVE-2019-18609

Vulnerability identifier: #VU23428

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-18609

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

RabbitMQ C client
Gentoo Linux
Amazon Linux AMI
Fedora
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
openEuler
librabbitmq (Ubuntu package)
librabbitmq (Red Hat package)
librabbitmq
librabbitmq-help
librabbitmq-debugsource
librabbitmq-devel
librabbitmq-debuginfo
OpenShift Data Foundation (formerly OpenShift Container Storage)

Install updates from vendor's website.

RabbitMQ C client - update to 0.10.0
librabbitmq (Ubuntu package) - addressed in versions 0.7.1-1ubuntu0.2, 0.8.0-1ubuntu0.18.04.2, 0.9.0-0.2ubuntu0.19.04.1, 0.9.0-0.2ubuntu0.19.10.1
librabbitmq (Red Hat package) - addressed in versions 0.8.0-3.el7, 0.9.0-2.el8
librabbitmq - addressed in versions 0.5.2-2.el6, 0.10.0-1.fc30, 0.10.0-1.fc31
librabbitmq - update to 0.9.0-4
librabbitmq-help - update to 0.9.0-4
librabbitmq-debugsource - update to 0.9.0-4
librabbitmq-devel - update to 0.9.0-4
librabbitmq-debuginfo - update to 0.9.0-4

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

• Integer oerflow in RabbitMQ C client
• Ubuntu update for RabbitMQ
• Ubuntu update for RabbitMQ
• Gentoo update for RabbitMQ C client
• Amazon Linux AMI update for librabbitmq
• Red Hat Enterprise Linux 7 update for librabbitmq
• Red Hat Enterprise Linux 8 update for librabbitmq
• Red Hat Enterprise Linux 8 update for librabbitmq
• Multiple vulnerabilities in Red Hat OpenShift Container Storage
• openEuler 20.03 LTS update for librabbitmq
• Fedora 31 update for librabbitmq
• Fedora 30 update for librabbitmq
• Fedora EPEL 6 update for librabbitmq