Buffer overflow in libzmq - CVE-2019-13132
Published: July 31, 2019
Vulnerability identifier: #VU19575
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-13132
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a stack buffer overflow condition when running a socket with CURVE "encryption/authentication" enabled. A remote attacker can send a malicious request and execute arbitrary code on the targeted system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
libzmq
Gentoo Linux
Opensuse
Fedora
zeromq3 (Debian package)
zeromq (Alpine package)
zeromq
Gentoo Linux
Opensuse
Fedora
zeromq3 (Debian package)
zeromq (Alpine package)
zeromq
How to mitigate CVE-2019-13132
Install updates from vendor's website.
libzmq - update to 4.3.2
zeromq3 (Debian package) - update to 4.2.1-4+deb9u2
zeromq (Alpine package) - update to 4.2.5-r1
zeromq - addressed in versions 4.1.7-1.fc29, 4.3.2-1.fc30, 4.3.2-1.fc31
zeromq3 (Debian package) - update to 4.2.1-4+deb9u2
zeromq (Alpine package) - update to 4.2.5-r1
zeromq - addressed in versions 4.1.7-1.fc29, 4.3.2-1.fc30, 4.3.2-1.fc31