Backdoor.Win32.Agent.cy Service Port 1111 Spoolsw.exe null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Backdoor.Win32.Agent.cy. It has been rated as problematic. Affected by this issue is some unknown functionality of the file Spoolsw.exe of the component Service Port 1111. Performing a manipulation results in null pointer dereference. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability classified as problematic has been found in Backdoor.Win32.Agent.cy (Remote Access Software) (version unknown). This affects an unknown function of the file Spoolsw.exe of the component Service Port 1111. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was disclosed 05/15/2021 as MVID-2021-0209. The advisory is shared at malvuln.com. Technical details and a public exploit are known.

The exploit is shared for download at malvuln.com. It is declared as proof-of-concept.

It is possible to mitigate the weakness by firewalling .

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
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: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

05/15/2021 🔍
05/15/2021 +0 days 🔍
05/15/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0209
Status: Not defined

GCVE (VulDB): GCVE-100-175077
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/15/2021 07:38
Changes: 05/15/2021 07:38 (40)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #12846: Backdoor.Win32.Agent.cy / Denial of Service (by malvuln)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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