Backdoor.Win32.Symmi.qua ksomnbi.dll stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k1.77

Summaryinfo

A vulnerability was found in Backdoor.Win32.Symmi.qua. It has been declared as critical. Affected by this issue is some unknown functionality in the library ksomnbi.dll. Executing a manipulation can lead to stack-based overflow. The attack can be launched remotely. Moreover, an exploit is present. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability has been found in Backdoor.Win32.Symmi.qua (version now known) and classified as critical. This vulnerability affects some unknown processing in the library ksomnbi.dll. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at malvuln.com. The exploitation appears to be easy. The attack can be initiated remotely. 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
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: Stack-based overflow
CWE: CWE-121 / 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

09/06/2024 🔍
09/06/2024 +0 days 🔍
09/06/2024 +0 days 🔍

Sourcesinfo

Advisory: malvuln.com
Status: Not defined

CVE: Not possible due to CNA Operational Rules
GCVE (VulDB): GCVE-100-276772
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/06/2024 23:23
Changes: 09/06/2024 23:23 (54)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #402091: Backdoor.Win32.Symmi.qua 6e81618678ddfee69342486f6b5ee780 Remote Stack Buffer Overflow (SEH) (by malvuln)

Once again VulDB remains the best source for vulnerability data.

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