Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-16889

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
25/09/2019
Last modified:
24/08/2020

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:ui:er-x_firmware:*:*:*:*:*:*:*:* 2.0.3 (excluding)
cpe:2.3:h:ui:er-x:-:*:*:*:*:*:*:*
cpe:2.3:o:ui:er-x-sfp_firmware:*:*:*:*:*:*:*:* 2.0.3 (excluding)
cpe:2.3:h:ui:er-x-sfp:-:*:*:*:*:*:*:*
cpe:2.3:o:ui:ep-r6_firmware:*:*:*:*:*:*:*:* 2.0.3 (excluding)
cpe:2.3:h:ui:ep-r6:-:*:*:*:*:*:*:*
cpe:2.3:o:ui:erlite-3_firmware:*:*:*:*:*:*:*:* 2.0.3 (excluding)
cpe:2.3:h:ui:erlite-3:-:*:*:*:*:*:*:*
cpe:2.3:o:ui:erpoe-5_firmware:*:*:*:*:*:*:*:* 2.0.3 (excluding)
cpe:2.3:h:ui:erpoe-5:-:*:*:*:*:*:*:*
cpe:2.3:o:ui:er-8_firmware:*:*:*:*:*:*:*:* 2.0.3 (excluding)
cpe:2.3:h:ui:er-8:-:*:*:*:*:*:*:*
cpe:2.3:o:ui:erpro-8_firmware:*:*:*:*:*:*:*:* 2.0.3 (excluding)
cpe:2.3:h:ui:erpro-8:-:*:*:*:*:*:*:*
cpe:2.3:o:ui:ep-r8_firmware:*:*:*:*:*:*:*:* 2.0.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools