Input validation error in www.zeromq zeromq

1) Input validation error

EUVDB-ID: #VU33834

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-7202

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

stream_engine.cpp in libzmq (aka ZeroMQ/C++)) 4.0.5 before 4.0.5 allows man-in-the-middle attackers to conduct downgrade attacks via a crafted connection request.

Mitigation

Install update from vendor's website.

Vulnerable software versions

zeromq: 4.0.6 - 4.0.7

External links

http://lists.opensuse.org/opensuse-updates/2014-11/msg00027.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00101.html
http://seclists.org/oss-sec/2014/q3/754
http://seclists.org/oss-sec/2014/q3/776
http://secunia.com/advisories/62262
http://www.securityfocus.com/bid/70157
http://exchange.xforce.ibmcloud.com/vulnerabilities/96241
http://github.com/zeromq/libzmq/issues/1190
http://github.com/zeromq/libzmq/pull/1188

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.