CVE-2018-5540
What it is
On F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.3, 11.6.0-11.6.3.1, or 11.5.1-11.5.6, Enterprise Manager 3.1.1, BIG-IQ Centralized Management 5.0.0-5.1.0, BIG-IQ Cloud and Orchestration 1.0.0, or F5 iWorkflow 2.1.0-2.3.0 the big3d process does not irrevocably minimize group privileges at start up.
At a glance
- Exploitability
- Can be exploited locally on the machine with an admin-level account. High risk of data exposure.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 4.4 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-732 · Incorrect permission assignment
- Record status
- Modified
Affected
- f5 big-ip Domain Name System ≤ 11.5.6
- f5 big-ip Domain Name System ≤ 11.6.3.1
- f5 big-ip Domain Name System ≤ 12.1.3.3
- f5 big-ip Domain Name System ≤ 13.0.1
- f5 big-ip Global Traffic Manager ≤ 11.5.6
- f5 big-ip Global Traffic Manager ≤ 11.6.3.1
- f5 big-ip Global Traffic Manager ≤ 12.1.3.3
- f5 big-ip Global Traffic Manager ≤ 13.0.1
Attack profile CVSS 3.0 · 4.4
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Raw vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-5540.md and follow it. Check whether this project is affected by CVE-2018-5540. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- http://www.securityfocus.com/bid/104920
- http://www.securitytracker.com/id/1041340
- http://www.securitytracker.com/id/1041341
- https://support.f5.com/csp/article/K82038789
- http://www.securityfocus.com/bid/104920
- http://www.securitytracker.com/id/1041340
- http://www.securitytracker.com/id/1041341
- https://support.f5.com/csp/article/K82038789