Buffer overflow in ZeroMQ libzmq



| Updated: 2019-08-01
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-13132
CWE-ID CWE-119
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 libzmq
Universal components / Libraries / Libraries used by multiple products

Vendor ZeroMQ Project

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU19575

Risk: High

CVSSv4.0: 8.9 [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/E:P/U:Amber]

CVE-ID: CVE-2019-13132

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libzmq: 4.2.0 - 4.3.2

CPE2.3 External links

https://github.com/zeromq/libzmq/issues/3558
https://github.com/zeromq/libzmq/releases


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. However, proof of concept for this vulnerability is available.



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