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cve[email protected]CVE-2014-2903
HistoryOct 06, 2017 - 3:29 p.m.

CVE-2014-2903

2017-10-0615:29:00
CWE-310
web.nvd.nist.gov
18
cyassl
key usage
leaf certificates
server spoofing
nvd
cve-2014-2903

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

5.6 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.002 Low

EPSS

Percentile

51.6%

CyaSSL does not check the key usage extension in leaf certificates, which allows remote attackers to spoof servers via a crafted server certificate not authorized for use in an SSL/TLS handshake.

Affected configurations

NVD
Node
wolfsslwolfsslRange2.9.4
CPENameOperatorVersion
wolfssl:wolfsslwolfsslle2.9.4

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

5.6 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.002 Low

EPSS

Percentile

51.6%

Related for CVE-2014-2903