Backdoor.Win32.Singu.a Service Port 2211 buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Backdoor.Win32.Singu.a. Affected by this issue is some unknown functionality of the component Service Port 2211. Performing a manipulation results in buffer overflow. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability classified as critical has been found in Backdoor.Win32.Singu.a (Remote Access Software) (the affected version is unknown). This affects an unknown code of the component Service Port 2211. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 05/22/2021 as MVID-2021-0221. The advisory is shared at malvuln.com. Technical details are unknown but a public exploit is available.

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 .

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.3
VulDB Temp Score: 6.7
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: Buffer overflow
CWE: CWE-120 / CWE-119
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

05/22/2021 🔍
05/22/2021 +0 days 🔍
05/22/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0221
Status: Not defined

GCVE (VulDB): GCVE-100-175473
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/22/2021 08:46
Changes: 05/22/2021 08:46 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #13232: Backdoor.Win32.Singu.a / Remote Stack Buffer Overflow (UDP Datagram) (by malvuln)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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