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

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CVE-2018-18729

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
29/10/2018
Last modified:
03/10/2019

Description

An issue was discovered on Tenda AC7 V15.03.06.44_CN, AC9 V15.03.05.19(6318)_CN, AC10 V15.03.06.23_CN, AC15 V15.03.05.19_CN, and AC18 V15.03.05.19(6318)_CN devices. There is a heap-based buffer overflow vulnerability in the router's web server -- httpd. While processing the 'mac' parameter for a post request, the value is directly used in a strcpy to a variable placed on the heap, which can leak sensitive information or even hijack program control flow.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.00 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:C

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

Base Score 2.0
9.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:tenda:ac7_firmware:15.03.06.44_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac7:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac9:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10_firmware:15.03.06.23_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac10:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac15_firmware:15.03.05.19_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac15:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac18_firmware:15.03.05.19\(6318\)_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac18:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools