Current Description
Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference). NOTE: this is different from CVE-2020-20253 and CVE-2020-20254. All four vulnerabilities in the /nova/bin/lcdstat process are discussed in the CVE-2020-20250 github.com/cq674350529 reference.
Analysis Description
Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference). NOTE: this is different from CVE-2020-20253 and CVE-2020-20254. All four vulnerabilities in the /nova/bin/lcdstat process are discussed in the CVE-2020-20250 github.com/cq674350529 reference.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | NIST |
Change History
1 change records found show changes
Initial Analysis 7/15/2021 4:7:20 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:* versions up to (excluding) 6.47
|
|
| Added | CVSS V2 |
NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P) |
|
| Added | CVSS V3.1 |
NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
|
| Added | CWE |
NIST CWE-476 |
|
| Changed | Reference Type |
https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20250/README.md No Types Assigned |
https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20250/README.md Exploit, Third Party Advisory |
| Changed | Reference Type |
https://mikrotik.com/ No Types Assigned |
https://mikrotik.com/ Vendor Advisory |