Vulnerability Monitor

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CVE-2021-28839


Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330 1.07.RC028, DAP-2360 2.07.RC043, DAP-2553 3.06.RC027, DAP-2660 1.13.RC074, DAP-2690 3.16.RC100, DAP-2695 1.17.RC063, DAP-3320 1.01.RC014 and DAP-3662 1.01.RC022 in the upload_certificate function of sbin/httpd binary. When the binary handle the specific HTTP GET request, the strrchr in the upload_certificate function would take NULL as first argument, and incur the NULL pointer dereference vulnerability.


Published

2021-08-10T18:15:07.180

Last Modified

2024-11-21T06:00:18.343

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-476

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System dlink dap-2310_firmware 2.0.7.rc031 Yes
Hardware dlink dap-2310 - No
Operating System dlink dap-2330_firmware 1.07.rc028 Yes
Hardware dlink dap-2330 - No
Operating System dlink dap-2360_firmware 2.07.rc043 Yes
Hardware dlink dap-2360 - No
Operating System dlink dap-2553_firmware 3.06.rc027 Yes
Hardware dlink dap-2553 - No
Operating System dlink dap-2660_firmware 1.13.rc074 Yes
Hardware dlink dap-2660 - No
Operating System dlink dap-2690_firmware 3.16.rc100 Yes
Hardware dlink dap-2690 - No
Operating System dlink dap-2695_firmware 1.17.rc063 Yes
Hardware dlink dap-2695 - No
Operating System dlink dap-3320_firmware 1.01.rc014 Yes
Hardware dlink dap-3320 - No
Operating System dlink dap-3662_firmware 1.01.rc022 Yes
Hardware dlink dap-3662 - No

References