Vulnerability Details : CVE-2018-5547
Windows Logon Integration feature of F5 BIG-IP APM client prior to version 7.1.7.1 for Windows by default uses Legacy logon mode which uses a SYSTEM account to establish network access. This feature displays a certificate user interface dialog box which contains the link to the certificate policy. By clicking on the link, unprivileged users can open additional dialog boxes and get access to the local machine windows explorer which can be used to get administrator privilege. Windows Logon Integration is vulnerable when the APM client is installed by an administrator on a user machine. Users accessing the local machine can get administrator privileges
Products affected by CVE-2018-5547
- cpe:2.3:a:f5:big-ip_access_policy_manager_client:7.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_access_policy_manager_client:7.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_access_policy_manager_client:7.1.6.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-5547
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-5547
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-5547
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-5547
-
https://support.f5.com/csp/article/K10015187
Vendor Advisory
-
http://www.securitytracker.com/id/1041511
F5 BIG-IP APM Client for Windows Lets Local Users Obtain System Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
https://support.f5.com/csp/article/K10015187?utm_source=f5support&utm_medium=RSS
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