Vulnerability identifier: #VU66176
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
zeromq
Other software /
Other software solutions
Vendor: www.zeromq.org
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in src/decoder_allocators.hpp. A remote attacker can send a specially crafted request to the zeromq server and trigger a buffer overflow write of arbitrary data if CURVE/ZAP authentication is not enabled.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
zeromq: 4.2.0 - 4.3.2
External links
http://bugzilla.redhat.com/show_bug.cgi?id=1921983
http://github.com/zeromq/libzmq/security/advisories/GHSA-fc3w-qxf5-7hp6
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.