F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to version 4.2.0, the bounds check byteOffset + dataSize > fileSize uses U32 addition that wraps around on overflow. An attacker-crafted DataPacket with byteOffset=0xFFFFFF9C and dataSize=100 overflows to 0, bypassing the check entirely. The subsequent file write proceeds at the original ~4GB offset. Additionally, Svc/FileUplink/File.cpp:20-31 performs no sanitization on the destination file path. Combined, these allow writing arbitrary data to any file at any offset. The impact is arbitrary file write leading to remote code execution on embedded targets. Note that this is a logic bug. ASAN does not detect it because all memory accesses are within valid buffers — the corruption occurs in file I/O. Version 4.2.0 contains a patch. No known workarounds are available.
EPSS Score
0.002
Published
2026-04-22
A template injection vulnerability in the Dashboard of NASA Fprime v3.4.3 allows attackers to execute arbitrary code via uploading a crafted Vue file.
CVSS Score
9.8
EPSS Score
0.005
Published
2025-03-25
NASA Fprime v3.4.3 was discovered to contain multiple cross-site scripting (XSS) vulnerabilities.
CVSS Score
6.1
EPSS Score
0.004
Published
2025-03-25
A command injection vulnerability in the Command Dispatcher Service of NASA Fprime v3.4.3 allows attackers to execute arbitrary commands.
CVSS Score
9.8
EPSS Score
0.056
Published
2025-03-25