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MitreCVE-2014-2903

HistoryOct 06, 2017 - 3:29 p.m.

CVE-2014-2903

2017-10-0615:29:00

CWE-310

mitre

web.nvd.nist.gov

cyassl

key usage

leaf certificates

server spoofing

nvd

cve-2014-2903

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

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

AI Score

5.6

Confidence

High

EPSS

0.002

Percentile

51.7%

JSON

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

wolfsslwolfsslRange≤2.9.4

VendorProductVersionCPE
wolfsslwolfssl*cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
wolfssl	wolfssl	*	cpe:2.3:a:wolfssl:wolfssl::::::::

References

secunia.com/advisories/62604

www.openwall.com/lists/oss-security/2014/04/18/2

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

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

AI Score

5.6

Confidence

High

EPSS

0.002

Percentile

51.7%

JSON

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