7.5
HIGH
CVE-2019-16889
Ubiquiti EdgeMAX DOS Vuln
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.

INFO

Published Date :

Sept. 25, 2019, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 4:31 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-16889 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-16889 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ui er-x_firmware
2 Ui er-x-sfp_firmware
3 Ui ep-r6_firmware
4 Ui erlite-3_firmware
5 Ui erpoe-5_firmware
6 Ui er-8_firmware
7 Ui erpro-8_firmware
8 Ui ep-r8_firmware
9 Ui er-4_firmware
10 Ui er-6p_firmware
11 Ui er-12_firmware
12 Ui er-8-xg_firmware
13 Ui er-x
14 Ui er-x-sfp
15 Ui erlite-3
16 Ui ep-r6
17 Ui erpoe-5
18 Ui er-8
19 Ui erpro-8
20 Ui ep-r8
21 Ui er-4
22 Ui er-6p
23 Ui er-12
24 Ui er-8-xg
: Total Affected Vendor : 1 | Products : 24
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-16889.

URL Resource
https://community.ui.com/releases/New-EdgeRouter-firmware-2-0-3-has-been-released-2-0-3/e8badd28-a112-4269-9fb6-ffe3fc0e1643 Patch Vendor Advisory
https://hackerone.com/reports/406614 Exploit Issue Tracking Third Party Advisory
https://mjlanders.com/2019/07/28/resource-consumption-dos-on-edgemax-v1-10-6/ Exploit Third Party Advisory
https://community.ui.com/releases/New-EdgeRouter-firmware-2-0-3-has-been-released-2-0-3/e8badd28-a112-4269-9fb6-ffe3fc0e1643 Patch Vendor Advisory
https://hackerone.com/reports/406614 Exploit Issue Tracking Third Party Advisory
https://mjlanders.com/2019/07/28/resource-consumption-dos-on-edgemax-v1-10-6/ Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
developer3000S/PoC-in-GitHub

None

Updated: 2 months, 2 weeks ago
34 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 3 months ago
19 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1052 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 4 weeks ago
86 stars 33 fork 33 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1113 different CVEs too.
Profile Photo
grampae/meep2

Cookie resource consumption testing tool.

Python

Updated: 2 years, 6 months ago
1 stars 0 fork 0 watcher
Born at : Dec. 22, 2019, 8:12 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
grampae/CVE-2019-16889-poc

Proof of conecept for CVE-2019-16889 (Resource consumption on Ubiquiti Edgemax 1.10.6 and earlier

Python

Updated: 6 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : Dec. 9, 2019, 12:09 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-16889 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-16889 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://community.ui.com/releases/New-EdgeRouter-firmware-2-0-3-has-been-released-2-0-3/e8badd28-a112-4269-9fb6-ffe3fc0e1643
    Added Reference https://hackerone.com/reports/406614
    Added Reference https://mjlanders.com/2019/07/28/resource-consumption-dos-on-edgemax-v1-10-6/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-400 CWE-770
  • Initial Analysis by [email protected]

    Oct. 01, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://community.ui.com/releases/New-EdgeRouter-firmware-2-0-3-has-been-released-2-0-3/e8badd28-a112-4269-9fb6-ffe3fc0e1643 No Types Assigned https://community.ui.com/releases/New-EdgeRouter-firmware-2-0-3-has-been-released-2-0-3/e8badd28-a112-4269-9fb6-ffe3fc0e1643 Patch, Vendor Advisory
    Changed Reference Type https://hackerone.com/reports/406614 No Types Assigned https://hackerone.com/reports/406614 Exploit, Issue Tracking, Third Party Advisory
    Changed Reference Type https://mjlanders.com/2019/07/28/resource-consumption-dos-on-edgemax-v1-10-6/ No Types Assigned https://mjlanders.com/2019/07/28/resource-consumption-dos-on-edgemax-v1-10-6/ Exploit, Third Party Advisory
    Added CWE CWE-400
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:er-x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-x-sfp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:er-x-sfp:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:ep-r6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:ep-r6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:erlite-3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:erlite-3:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:erpoe-5_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:erpoe-5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-8_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:er-8:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:erpro-8_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:erpro-8:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:ep-r8_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:ep-r8:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:er-4:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-6p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:er-6p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-12_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:er-12:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ui:er-8-xg_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.3 OR cpe:2.3:h:ui:er-8-xg:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-16889 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-16889 weaknesses.

CAPEC-125: Flooding Flooding CAPEC-130: Excessive Allocation Excessive Allocation CAPEC-147: XML Ping of the Death XML Ping of the Death CAPEC-197: Exponential Data Expansion Exponential Data Expansion CAPEC-229: Serialized Data Parameter Blowup Serialized Data Parameter Blowup CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-469: HTTP DoS HTTP DoS CAPEC-482: TCP Flood TCP Flood CAPEC-486: UDP Flood UDP Flood CAPEC-487: ICMP Flood ICMP Flood CAPEC-488: HTTP Flood HTTP Flood CAPEC-489: SSL Flood SSL Flood CAPEC-490: Amplification Amplification CAPEC-491: Quadratic Data Expansion Quadratic Data Expansion CAPEC-493: SOAP Array Blowup SOAP Array Blowup CAPEC-494: TCP Fragmentation TCP Fragmentation CAPEC-495: UDP Fragmentation UDP Fragmentation CAPEC-496: ICMP Fragmentation ICMP Fragmentation CAPEC-528: XML Flood XML Flood
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.72 }} -0.02%

score

0.80423

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: