CVE-2019-16889 - Ubiquiti EdgeMAX devices before 2.0.3 allow remote attackers to cause a denial of service (disk consumption) because *.cache files in /var/run/beaker/container_file/ are created when providing a valid length payload of 249 characters or fewer to the beaker.session.id cookie in a GET header

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HIGH

Ubiquiti EdgeMAX devices before 2.0.3 allow remote attackers to cause a denial of service (disk consumption) because *.cache files in /var/run/beaker/container_file/ are created when providing a valid length payload of 249 characters or fewer to the beaker.session.id cookie in a GET header

Published Sep 25, 2019

7.5

HIGH

CVSS 3.1

EPSS 5.09%

Description

Ubiquiti EdgeMAX devices before 2.0.3 allow remote attackers to cause a denial of service (disk consumption) because *.cache files in /var/run/beaker/container_file/ are created when providing a valid length payload of 249 characters or fewer to the beaker.session.id cookie in a GET header. The attacker can use a long series of unique session IDs.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-770

Allocation of Resources Without Limits

References (3)

https://community.ui.com/releases/New-EdgeRouter-firmware-2-0-3-has-been-released-2-0-3/e8badd28-a112-4269-9fb6-ffe3fc0e1643
x_refsource_MISCPatchVendor Advisory
https://hackerone.com/reports/406614
x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://mjlanders.com/2019/07/28/resource-consumption-dos-on-edgemax-v1-10-6/
x_refsource_MISCExploitThird Party Advisory

Link	Providers	Tags
https://community.ui.com/releases/New-EdgeRouter-firmware-2-0-3-has-been-released-2-0-3/e8badd28-a112-4269-9fb6-ffe3fc0e1643		x_refsource_MISCPatchVendor Advisory
https://hackerone.com/reports/406614		x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://mjlanders.com/2019/07/28/resource-consumption-dos-on-edgemax-v1-10-6/		x_refsource_MISCExploitThird Party Advisory