CVE-2023-1667 - CVE House
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Status published Unknown CVE-2023-1667

A NULL pointer dereference was found In libssh during re-keying...

Vulnerability Description

A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

libssh
Vulnerable Versions:
libssh-2

Timeline

Official Publish: May 26th, 2023
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-476

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1499.004 Application or System Exploitation
Impact
T1489 Service Stop
Impact
T1203 Exploitation for Client Execution
Execution
T1190 Exploit Public-Facing Application
Initial Access