CVE-2019-6637 Information

Description

On BIG-IP (ASM) 14.1.0-14.1.0.5 14.0.0-14.0.0.4 13.0.0-13.1.1.4 and 12.1.0-12.1.4 Application logic abuse of ASM REST endpoints can lead to instability of BIG-IP system. Exploitation of this issue causes excessive memory consumption which results in the Linux kernel triggering OOM killer on arbitrary processes. The attack requires an authenticated user with role of \Guest\ or greater privilege. Note: \No Access\ cannot login so technically it’s a role but a user with this access role cannot perform the attack.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/109091 https://support.f5.com/csp/article/K29149494

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5