Backdoor.Win32.Whisper.b Service Port 113 C:\Windows\rundll32.exe stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Backdoor.Win32.Whisper.b. This impacts an unknown function in the library C:\Windows\rundll32.exe of the component Service Port 113. Such manipulation leads to stack-based overflow. Moreover, an exploit is present.
Details
A vulnerability, which was classified as critical, has been found in Backdoor.Win32.Whisper.b (Remote Access Software) (the affected version unknown). Affected by this issue is an unknown part in the library C:\Windows\rundll32.exe of the component Service Port 113. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 01/20/2021 as MVID-2021-0039. The advisory is available at malvuln.com. Technical details as well as a public exploit are known.
The exploit is available at malvuln.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/20/2021 🔍01/20/2021 🔍
01/20/2021 🔍
Sources
Advisory: MVID-2021-0039Status: Not defined
GCVE (VulDB): GCVE-100-168122
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/20/2021 07:55Changes: 01/20/2021 07:55 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103
Submit
Accepted
- Submit #6167: Backdoor.Win32.Whisper.b / Remote Stack Corruption (by malvuln)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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