Vulnerability in Apple Iphone OS
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (58.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.apple.com/archives/security-announce/2015/Oct/msg00002.html (vendor-advisory, Vendor Advisory)
- lists.apple.com/archives/security-announce/2015/Dec/msg00002.html (vendor-advisory, Vendor Advisory)
- support.apple.com/HT205370 (Vendor Advisory)
- support.apple.com/HT205641 (Vendor Advisory)
- www.securitytracker.com/id/1033929 (vdb-entry)
- www.securityfocus.com/bid/77268 (vdb-entry)