CVE-2020-13389 Detail
Current Description
An issue was discovered on Tenda AC6 V1.0 V15.03.05.19_multi_TD01, AC9 V1.0 V15.03.05.19(6318)_CN, AC9 V3.0 V15.03.06.42_multi, AC15 V1.0 V15.03.05.19_multi_TD01, and AC18 V15.03.05.19(6318_)_CN devices. There is a buffer overflow vulnerability in the router’s web server — httpd. While processing the /goform/openSchedWifi schedStartTime and schedEndTime parameters for a POST request, a value is directly used in a strcpy to a local variable placed on the stack, which overwrites the return address of a function. An attacker can construct a payload to carry out arbitrary code execution attacks.
Source: MITRE
View Analysis Description
Analysis Description
An issue was discovered on Tenda AC6 V1.0 V15.03.05.19_multi_TD01, AC9 V1.0 V15.03.05.19(6318)_CN, AC9 V3.0 V15.03.06.42_multi, AC15 V1.0 V15.03.05.19_multi_TD01, and AC18 V15.03.05.19(6318_)_CN devices. There is a buffer overflow vulnerability in the router’s web server — httpd. While processing the /goform/openSchedWifi schedStartTime and schedEndTime parameters for a POST request, a value is directly used in a strcpy to a local variable placed on the stack, which overwrites the return address of a function. An attacker can construct a payload to carry out arbitrary code execution attacks.
Source: MITRE
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-120 | Buffer Copy without Checking Size of Input (‘Classic Buffer Overflow’) | NIST |
Known Affected Software Configurations Switch to CPE 2.2
Configuration 1 ( hide )
Configuration 2 ( hide )
Configuration 3 ( hide )
Configuration 4 ( hide )
Configuration 5 ( hide )
Change History
2 change records found – show changes
Initial Analysis – 5/27/2020 4:27:38 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
AND
OR
*cpe:2.3:o:tendacn:ac15_firmware:v15.03.05.19_multi_td01:*:*:*:*:*:*:*
OR
cpe:2.3:h:tendacn:ac15:1.0:*:*:*:*:*:*:*
|
|
| Added | CPE Configuration |
AND
OR
*cpe:2.3:o:tendacn:ac18_firmware:v15.03.05.19(6318):*:*:*:*:*:*:*
OR
cpe:2.3:h:tendacn:ac18:-:*:*:*:*:*:*:*
|
|
| Added | CPE Configuration |
AND
OR
*cpe:2.3:o:tendacn:ac6_firmware:v15.03.05.19_multi_td01:*:*:*:*:*:*:*
OR
cpe:2.3:h:tendacn:ac6:1.0:*:*:*:*:*:*:*
|
|
| Added | CPE Configuration |
AND
OR
*cpe:2.3:o:tendacn:ac9_firmware:v15.03.05.19(6318):*:*:*:*:*:*:*
OR
cpe:2.3:h:tendacn:ac9:1.0:*:*:*:*:*:*:*
|
|
| Added | CPE Configuration |
AND
OR
*cpe:2.3:o:tendacn:ac9_firmware:v15.03.06.42_multi:*:*:*:*:*:*:*
OR
cpe:2.3:h:tendacn:ac9:3.0:*:*:*:*:*:*:*
|
|
| Added | CVSS V2 |
NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) |
|
| Added | CVSS V3.1 |
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
|
| Added | CWE |
NIST CWE-120 |
|
| Changed | Reference Type |
https://joel-malwarebenchmark.github.io No Types Assigned |
https://joel-malwarebenchmark.github.io Exploit, Third Party Advisory |
| Changed | Reference Type |
https://joel-malwarebenchmark.github.io/blog/2020/04/28/cve-2020-13389-Tenda-vulnerability/ No Types Assigned |
https://joel-malwarebenchmark.github.io/blog/2020/04/28/cve-2020-13389-Tenda-vulnerability/ Third Party Advisory |
CVE Modified by MITRE – 5/26/2020 5:15:10 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | Reference |
https://joel-malwarebenchmark.github.io/blog/2020/04/28/cve-2020-13389-Tenda-vulnerability/ [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2020-13389
NVD Published Date:
05/22/2020
NVD Last Modified:
05/27/2020