CVE-2016-4711

HIGH

Apple iOS <9.3.5 and macOS <10.11.6 - Cleartext Information Exposure via CCrypt Buffer Overlap

Title source: llm
STIX 2.1

Description

CCrypt in corecrypto in CommonCrypto in Apple iOS before 10 and OS X before 10.12 allows attackers to discover cleartext information by leveraging a function call that specifies the same buffer for input and output.

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036858
Mailing List, Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
Mailing List, Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/93056
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207170
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207143

Scores

CVSS v3 7.5
EPSS 0.0161
EPSS Percentile 73.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-20 CWE-200
Status published
Products (2)
apple/iphone_os < 9.3.5
apple/mac_os_x < 10.11.6
Published Sep 25, 2016
Tracked Since Feb 18, 2026