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cveAppleCVE-2015-5894
HistoryOct 09, 2015 - 5:59 a.m.

CVE-2015-5894

2015-10-0905:59:27
CWE-17
apple
web.nvd.nist.gov
35
cve-2015-5894
x.509
certificate trust
apple os x
revocation
man-in-the-middle

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

AI Score

5.8

Confidence

Low

EPSS

0.001

Percentile

41.5%

The X.509 certificate-trust implementation in Apple OS X before 10.11 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked certificate.

Affected configurations

Nvd
Node
applemac_os_xRange10.10.5
VendorProductVersionCPE
applemac_os_x*cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

AI Score

5.8

Confidence

Low

EPSS

0.001

Percentile

41.5%