CVE-2023-47625

Public Exploit
Global Buffer Overflow leading to denial of service in PX4-Autopilot

Description

PX4 autopilot is a flight control solution for drones. In affected versions a global buffer overflow vulnerability exists in the CrsfParser_TryParseCrsfPacket function in /src/drivers/rc/crsf_rc/CrsfParser.cpp:298 due to the invalid size check. A malicious user may create an RC packet remotely and that packet goes into the device where the _rcs_buf reads. The global buffer overflow vulnerability will be triggered and the drone can behave unexpectedly. This issue has been addressed in version 1.14.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Category

2.9
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory github.com
Affected: PX4 PX4-Autopilot
Published at:
Updated at:

References

Link Tags
https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-qpw7-65ww-wj82 vendor advisory exploit
https://github.com/PX4/PX4-Autopilot/commit/d1fcd39a44e6312582c6ab02b0d5ee2599fb55aa patch

Frequently Asked Questions

What is the severity of CVE-2023-47625?
CVE-2023-47625 has been scored as a low severity vulnerability.
How to fix CVE-2023-47625?
To fix CVE-2023-47625, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-47625 being actively exploited in the wild?
It is possible that CVE-2023-47625 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-47625?
CVE-2023-47625 affects PX4 PX4-Autopilot.
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