CVE-2016-4745

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
The Kerberos 5 (aka krb5) PAM module in Apple OS X before 10.12 does not use constant-time operations for determining username validity, which makes it easier for remote attackers to enumerate user accounts via a timing side-channel attack.
Overview
  • CVE ID
  • CVE-2016-4745
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2016-09-25T10:59:44
  • Last Modified Date
  • 2017-07-30T01:29:06
Weakness Enumerations
CWE URL
CWE-200 http://cwe.mitre.org/data/definitions/200.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 1 OR 10.11.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://support.apple.com/HT207170 Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html Mailing List Vendor Advisory
http://www.securityfocus.com/bid/93055
http://www.securitytracker.com/id/1036858
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-4745
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4745
History
Created Old Value New Value Data Type Notes
2022-05-10 09:10:54 Added to TrackCVE
2022-12-02 11:20:02 2016-09-25T10:59Z 2016-09-25T10:59:44 CVE Published Date updated
2022-12-02 11:20:02 2017-07-30T01:29:06 CVE Modified Date updated
2022-12-02 11:20:02 Modified Vulnerability Status updated