Backdoor.Win32.PsyRat.b Service Port 9863 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

A vulnerability has been found in Backdoor.Win32.PsyRat.b (Remote Access Software) (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code of the component Service Port 9863. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability.

The weakness was published 07/27/2021 as MVID-2021-0307. The advisory is shared for download at malvuln.com. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at malvuln.com. It is declared as proof-of-concept.

Proper firewalling of is able to address this issue.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/27/2021 🔍
07/27/2021 +0 days 🔍
07/27/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0307
Status: Not defined
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/27/2021 08:21
Changes: 07/27/2021 08:21 (39)
Complete: 🔍
Submitter: malvuln

Submitinfo

Accepted

  • Submit #17180: Backdoor.Win32.PsyRat.b / Remote Denial of Service (by malvuln)

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