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CVE

CVE-2014-9721

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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.3
Exploit Score: 8.6
Impact Score: 2.9

CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: NONE
Integrity: PARTIAL
Availability: NONE

Reference:

DSA-3255

FEDORA-2015-8635

https://github.com/zeromq/libzmq/issues/1273

https://github.com/zeromq/zeromq4-x/commit/b6e3e0f601e2c1ec1f3aac880ed6a3fe63043e51

openSUSE-SU-2015:1028


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