PX4 Autopilot contains a heap buffer overflow vulnerability in the sd_bench command that writes a four-byte block number into a user-supplied sized allocation. Attackers can invoke sd_bench with a block size below four bytes to overflow the heap buffer and potentially execute code or crash the system.
Attack Parameters
Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Px4 Autopilot
cpe:2.3:a:px4:autopilot:*:*:*:*:*:*:*:*
|
— |
<= 1.17.0
|
References 4
https://github.com/PX4/PX4-Autopilot
disclosure@vulncheck.com
https://github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/systemcmds/sd_bench/sd_be…
disclosure@vulncheck.com
https://github.com/PX4/PX4-Autopilot/issues/28373
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/px4-autopilot-sd-bench-heap-buffer-overflo…
disclosure@vulncheck.com