Integer overflow in corosync - CVE-2018-1084

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Main Vulnerability Database Vulnerabilities #VU11994

Integer overflow in corosync - CVE-2018-1084

Published: April 19, 2018


Vulnerability identifier: #VU11994
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1084
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in exec/totemcrypto.c due to integer overflow. A remote attacker can cause the service to crash.

Affected software

corosync
Debian Linux
Gentoo Linux
Fedora
corosync (Ubuntu package)
corosync (Red Hat package)
corosync

How to mitigate CVE-2018-1084

Update to version 2.4.4.

corosync (Ubuntu package) - addressed in versions 2.3.5-3ubuntu2.3, 2.4.3-0ubuntu1.1
corosync (Red Hat package) - update to 2.4.3-2.el7_5.1
corosync - addressed in versions 2.4.4-1.fc26, 2.4.4-1.fc27, 2.4.4-1.fc28

External References

Related Security Bulletins