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

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CVE-2021-28838

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
10/08/2021
Last modified:
17/08/2021

Description

Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi' operation when a specific network package are sent to the httpd binary.

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:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:dlink:dap-2310_firmware:*:*:*:*:*:*:*:* 2.10rc039 (including)
cpe:2.3:h:dlink:dap-2310:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2330_firmware:*:*:*:*:*:*:*:* 1.10rc036 (excluding)
cpe:2.3:o:dlink:dap-2330_firmware:1.10rc036:beta:*:*:*:*:*:*
cpe:2.3:h:dlink:dap-2330:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2360_firmware:*:*:*:*:*:*:*:* 2.10rc055 (including)
cpe:2.3:h:dlink:dap-2360:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2553_firmware:*:*:*:*:*:*:*:* 3.10rc039 (excluding)
cpe:2.3:o:dlink:dap-2553_firmware:3.10rc039:beta:*:*:*:*:*:*
cpe:2.3:h:dlink:dap-2553:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2660_firmware:*:*:*:*:*:*:*:* 1.15rc131b (including)
cpe:2.3:h:dlink:dap-2660:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dap-2690_firmware:*:*:*:*:*:*:*:* 3.20rc115 (excluding)
cpe:2.3:o:dlink:dap-2690_firmware:3.20rc115:beta:*:*:*:*:*:*
cpe:2.3:h:dlink:dap-2690:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools