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CVE-2023-47625— Global Buffer Overflow leading to denial of service in PX4-Autopilot

Quick assessment

Affected
PX4 PX4-Autopilot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PX4 Drone Autopilot是PX4 Autopilot for Drones开源的一个 PX4 无人机自动驾驶仪。 PX4 autopilot 1.14.0之前版本存在安全漏洞，该漏洞源于存在缓冲区溢出问题。

CVSS 2.9 · Low EPSS 0.52% · P43
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I. Basic Information for CVE-2023-47625

Vulnerability Information
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Vulnerability Title
Global Buffer Overflow leading to denial of service in PX4-Autopilot
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
PX4 Drone Autopilot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PX4 Drone Autopilot是PX4 Autopilot for Drones开源的一个 PX4 无人机自动驾驶仪。 PX4 autopilot 1.14.0之前版本存在安全漏洞，该漏洞源于存在缓冲区溢出问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
PX4 PX4-Autopilot < 1.14.0 -

II. Public POCs for CVE-2023-47625

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III. Intelligence Information for CVE-2023-47625

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Patches & Fixes for CVE-2023-47625 (1)

Vendor Advisories for CVE-2023-47625 (1)

IV. Related Vulnerabilities

Same product: PX4-Autopilot
Same vendor: PX4
Same weakness: CWE-120

V. Comments for CVE-2023-47625

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