Stack-Based Buffer Overflow in SonicWall Capture Client and NetExtender Client
CVE-2023-6340

5.5MEDIUM

Key Information:

Vendor

Sonicwall
Status
Capture Client
Netextender
Vendor
CVE Published:
18 January 2024

What is CVE-2023-6340?

The sfpmonitor.sys driver in SonicWall's Capture Client and NetExtender client is susceptible to a stack-based buffer overflow. This vulnerability can be exploited to trigger denial-of-service conditions, impacting system availability. Users are encouraged to update their software to mitigate potential risks associated with this vulnerability.

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Affected Version(s)

Capture Client Windows 3.7.10 and earlier versions

NetExtender Windows 10.2.337 and earlier versions

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-202...
vendor-advisory

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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