CVE-2016-4745

Published on: 09/25/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:26:58 PM UTC

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Certain versions of Mac Os X from Apple contain the following vulnerability:

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.

  • CVE-2016-4745 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED LOW NONE NONE

CVSS2 Score: 5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL NONE NONE

CVE References

Description Tags Link
Apple Mac OS X APPLE-SA-2016-09-20 Multiple Security Vulnerabilities cve.report (archive)
text/html
URL Logo BID 93055
About the security content of macOS Sierra 10.12 - Apple Support Vendor Advisory
support.apple.com
text/html
URL Logo CONFIRM support.apple.com/HT207170
Apple macOS/OS X Multiple Flaws Let Remote and Local Users Deny Service, Obtain Potentially Sensitive Information, Execute Arbitrary Code, and Gain Elevated Privileges - SecurityTracker www.securitytracker.com
text/html
URL Logo SECTRACK 1036858
APPLE-SA-2016-09-20 macOS Sierra 10.12 Mailing List
Vendor Advisory
lists.apple.com
text/html
URL Logo APPLE APPLE-SA-2016-09-20

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
AppleMac Os XAllAllAllAll
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*: