#VU33835 Input validation error in zeromq - CVE-2014-7203

Vulnerability identifier: #VU33835

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-7203

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
zeromq
Other software / Other software solutions

Vendor: ZeroMQ Project

Description

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

libzmq (aka ZeroMQ/C++) 4.0.x before 4.0.5 does not ensure that nonces are unique, which allows man-in-the-middle attackers to conduct replay attacks via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

zeromq: 4.0.6 - 4.0.7

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External links
https://lists.opensuse.org/opensuse-updates/2014-11/msg00027.html
https://lists.opensuse.org/opensuse-updates/2014-11/msg00101.html
https://seclists.org/oss-sec/2014/q3/754
https://seclists.org/oss-sec/2014/q3/776
https://secunia.com/advisories/62262
https://www.securityfocus.com/bid/70157
https://exchange.xforce.ibmcloud.com/vulnerabilities/96242
https://github.com/zeromq/libzmq/issues/1191
https://github.com/zeromq/libzmq/pull/1189

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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.