Backdoor.Win32.Agent.lyw Service Port 53 aspimgr.exe buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Backdoor.Win32.Agent.lyw. This affects an unknown part of the file aspimgr.exe of the component Service Port 53. Executing a manipulation can lead to buffer overflow. The attack may be performed from remote. In addition, an exploit is available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical was found in Backdoor.Win32.Agent.lyw (Remote Access Software) (affected version unknown). This vulnerability affects an unknown functionality of the file aspimgr.exe of the component Service Port 53. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 05/15/2021 as MVID-2021-0210. The advisory is available at malvuln.com. Technical details and also a public exploit are known.

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.

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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

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

Sourcesinfo

Advisory: MVID-2021-0210
Status: Not defined

GCVE (VulDB): GCVE-100-175078
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/15/2021 07:39
Changes: 05/15/2021 07:39 (40)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #12847: Backdoor.Win32.Agent.lyw / Remote Stack Buffer Overflow (UDP) (by malvuln)

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