7.5
HIGH
CVE-2019-12223
Hanwah Techwin NVR WebViewer Buffer Overflow
Description

An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and other SRN-x devices before 2019-05-03. A system crash and reboot can be achieved by submitting a long username in excess of 117 characters. The username triggers a buffer overflow in the main process controlling operation of the DVR system, rendering services unavailable during the reboot operation. A repeated attack affects availability as long as the attacker has network access to the device.

INFO

Published Date :

Sept. 5, 2019, 3:15 p.m.

Last Modified :

Nov. 21, 2024, 4:22 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-12223 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Hanwha-security srn-472s_firmware
2 Hanwha-security srn-873s_firmware
3 Hanwha-security srn-1673s_firmware
4 Hanwha-security srn-472s
5 Hanwha-security srn-873s
6 Hanwha-security srn-1673s

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-12223 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-12223 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://gist.github.com/dustinnoe/66f91573a0080c9fb2c21819d8805a82
    Added Reference https://medium.com/%40noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd
    Added Reference https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overview/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://medium.com/%40noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd [No types assigned]
    Removed Reference MITRE https://medium.com/@noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd
  • Initial Analysis by [email protected]

    Sep. 06, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://gist.github.com/dustinnoe/66f91573a0080c9fb2c21819d8805a82 No Types Assigned https://gist.github.com/dustinnoe/66f91573a0080c9fb2c21819d8805a82 Exploit, Third Party Advisory
    Changed Reference Type https://medium.com/@noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd No Types Assigned https://medium.com/@noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd Exploit, Third Party Advisory
    Changed Reference Type https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overview/ No Types Assigned https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overview/ Product
    Added CWE CWE-119
    Added CPE Configuration AND OR *cpe:2.3:o:hanwha-security:srn-472s_firmware:1.07_190502:*:*:*:*:*:*:* OR cpe:2.3:h:hanwha-security:srn-472s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:hanwha-security:srn-873s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2019-05-03 OR cpe:2.3:h:hanwha-security:srn-873s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:hanwha-security:srn-1673s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2019-05-03 OR cpe:2.3:h:hanwha-security:srn-1673s:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.31 }} -0.01%

score

0.69519

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability