CVE-2018-15317
What it is
In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2, an attacker sending specially crafted SSL records to a SSL Virtual Server will cause corruption in the SSL data structures leading to intermittent decrypt BAD_RECORD_MAC errors. Clients will be unable to access the application load balanced by a virtual server with an SSL profile until tmm is restarted.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 1.4% 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: 1.4% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.4% · EPSS, next 30 days
- Record status
- Modified
Affected
- f5 big-ip Local Traffic Manager ≤ 11.5.6
- f5 big-ip Local Traffic Manager ≤ 11.6.3.2
- f5 big-ip Local Traffic Manager ≤ 12.1.3.5
- f5 big-ip Local Traffic Manager ≤ 13.1.0.7
- f5 big-ip Local Traffic Manager ≤ 14.0.0.2
- f5 big-ip Advanced Firewall Manager ≤ 11.5.6
- f5 big-ip Advanced Firewall Manager ≤ 11.6.3.2
- f5 big-ip Advanced Firewall Manager ≤ 12.1.3.5
Attack profile CVSS 3.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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-2018-15317.md and follow it. Check whether this project is affected by CVE-2018-15317. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
