CVE-2023-43628 - CVE House
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Status published Medium CVE-2023-43628

An integer underflow vulnerability exists in the NTRIP Stream Parsing...

Vulnerability Description

An integer underflow vulnerability exists in the NTRIP Stream Parsing functionality of GPSd 3.25.1~dev. A specially crafted network packet can lead to memory corruption. An attacker can send a malicious packet to trigger this vulnerability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Discovered by Dimitrios Tatsis of Cisco Talos.

References

Affected Vendor

Affected Software

GPSd
Vulnerable Versions:
3.25.1~dev

Timeline

Official Publish: December 5th, 2023
Last Modified: November 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-191

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1574 Hijack Execution Flow
Privilege Escalation
T1059 Command and Scripting Interpreter
Execution
T1485 Data Destruction
Impact
T1499 Endpoint Denial of Service
Impact