CVE-2014-9721: Input Validation
First published: Wed Jun 03 2015(Updated: )
libzmq before 4.0.6 and 4.1.x before 4.1.1 allows remote attackers to conduct downgrade attacks and bypass ZMTP v3 protocol security mechanisms via a ZMTP v2 or earlier header.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ZeroMQ | <=4.0.5 | |
| ZeroMQ | =4.1.0-rc1 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/159176.html
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00018.html
- http://www.debian.org/security/2015/dsa-3255
- https://github.com/zeromq/libzmq/issues/1273
- https://github.com/zeromq/zeromq4-x/commit/b6e3e0f601e2c1ec1f3aac880ed6a3fe63043e51
Frequently Asked Questions
What is the severity of CVE-2014-9721?
CVE-2014-9721 has been classified as a moderate severity vulnerability.
How do I fix CVE-2014-9721?
To fix CVE-2014-9721, upgrade ZeroMQ to version 4.0.6 or 4.1.1 or later.
What types of attacks does CVE-2014-9721 allow?
CVE-2014-9721 allows remote attackers to conduct downgrade attacks against the ZMTP v3 protocol.
Which versions of ZeroMQ are affected by CVE-2014-9721?
CVE-2014-9721 affects ZeroMQ versions before 4.0.6 and the 4.1.0-rc1 version.
What security mechanism can be bypassed due to CVE-2014-9721?
CVE-2014-9721 allows bypassing the security mechanisms of the ZMTP v3 protocol.
- agent/severity
- agent/references
- agent/author
- agent/weakness
- agent/type
- agent/description
- agent/event
- agent/last-modified-date
- agent/tags
- agent/softwarecombine
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/zeromq
- canonical/zeromq
- version/zeromq/4.0.5
- version/zeromq/4.1.0-rc1