Vulnerability Details : CVE-2015-6997
The X.509 certificate-trust implementation in Apple iOS before 9.1 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.
Products affected by CVE-2015-6997
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-6997
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-6997
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2015-6997
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-6997
-
https://support.apple.com/HT205641
About the security content of watchOS 2.1 - Apple SupportVendor Advisory
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https://support.apple.com/HT205370
About the security content of iOS 9.1 - Apple SupportVendor Advisory
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http://www.securityfocus.com/bid/77268
Apple iOS APPLE-SA-2015-10-21-1 Multiple Security Vulnerabilities
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http://www.securitytracker.com/id/1033929
Apple OS X Multiple Flaws Let Remote Users Execute Arbitrary Code and Let Apps Gain Elevated Privileges - SecurityTracker
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http://lists.apple.com/archives/security-announce/2015/Dec/msg00002.html
Apple - Lists.apple.comVendor Advisory
-
http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.html
Apple - Lists.apple.comVendor Advisory
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