Input validation error in zeromq - CVE-2014-9721
Published: June 3, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32198
CSH Severity: Medium
CVSS v4.0: 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-2014-9721
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ZeroMQ Project
Affected software:
zeromq
zeromq
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
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.
How to mitigate CVE-2014-9721
Install update from vendor's website.
Sources
- 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