6.5
MEDIUM
CVE-2021-32537
Realtek HAD Driver Crash Vulnerability
Description

Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.

INFO

Published Date :

July 7, 2021, 2:15 p.m.

Last Modified :

Nov. 7, 2023, 3:35 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

4.0

Exploitability Score :

2.0
Public PoC/Exploit Available at Github

CVE-2021-32537 has a 8 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-32537 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 Realtek hda_driver
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-32537.

URL Resource
http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html Exploit Third Party Advisory VDB Entry
https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html Third Party Advisory

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).

Profile Photo
rookiemagnum/rookiemagnum

None

Updated: 2 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : June 22, 2024, 3:19 p.m. This repo has been linked 7 different CVEs too.
Profile Photo
NaInSec/CVE-PoC-in-GitHub

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 3 weeks, 3 days ago
5 stars 2 fork 2 watcher
Born at : March 22, 2024, 3:58 p.m. This repo has been linked 928 different CVEs too.
Profile Photo
zecool/cve

None

Updated: 6 months, 1 week ago
1 stars 0 fork 0 watcher
Born at : March 11, 2024, 1:21 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
WhooAmii/POC_to_review

None

Updated: 7 months ago
2 stars 2 fork 2 watcher
Born at : Nov. 25, 2022, 5:43 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
soosmile/POC

None

Updated: 2 months, 3 weeks ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.
Profile Photo
0vercl0k/CVE-2021-32537

PoC for CVE-2021-32537: an out-of-bounds memory access that leads to pool corruption in the Windows kernel.

cve-2021-32537 rtkvhd64 pool-corruption tvn-202106002 realtek-driver

C++

Updated: 1 month, 1 week ago
57 stars 12 fork 12 watcher
Born at : June 9, 2021, 3:44 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
n0-traces/cve_monitor

Automatic monitor github cve using Github Actions

Python

Updated: 2 years, 11 months ago
0 stars 56 fork 56 watcher
Born at : April 7, 2021, 11:16 a.m. This repo has been linked 1007 different CVEs too.
Profile Photo
0vercl0k/0vercl0k

None

Updated: 4 months, 2 weeks ago
5 stars 0 fork 0 watcher
Born at : July 17, 2020, 4:12 a.m. This repo has been linked 7 different CVEs too.

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

The following list is the news that have been mention CVE-2021-32537 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-32537 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 [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
    Changed Description Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed. Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.
  • Modified Analysis by [email protected]

    Sep. 20, 2021

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html Exploit, Third Party Advisory http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Jul. 16, 2021

    Action Type Old Value New Value
    Changed Description Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed. A vulnerability in ____COMPONENT____ of Realtek HDA driver allows ____ATTACKER/ATTACK____ to cause ____IMPACT____. This issue affects: Realtek HDA driver 8155 version 9150 and prior versions. Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.
  • Initial Analysis by [email protected]

    Jul. 15, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:C)
    Changed Reference Type http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html No Types Assigned http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html Exploit, Third Party Advisory
    Changed Reference Type https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html No Types Assigned https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html Third Party Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration OR *cpe:2.3:a:realtek:hda_driver:*:*:*:*:*:*:*:* versions from (including) 8155 up to (including) 9150
  • CVE Modified by [email protected]

    Jul. 14, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 07, 2021

    Action Type Old Value New Value
    Changed Description Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed. A vulnerability in ____COMPONENT____ of Realtek HDA driver allows ____ATTACKER/ATTACK____ to cause ____IMPACT____. This issue affects: Realtek HDA driver 8155 version 9150 and prior versions. Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed. A vulnerability in ____COMPONENT____ of Realtek HDA driver allows ____ATTACKER/ATTACK____ to cause ____IMPACT____. This issue affects: Realtek HDA driver 8155 version 9150 and prior versions.
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.

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
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