Out-of-bounds read in Nanopb - CVE-2020-5235
Published: May 31, 2023 / Updated: November 8, 2024
Vulnerability identifier: #VU76725
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5235
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition. A local user can trigger an out-of-bounds read error and read contents of memory on the system.
Affected software
Nanopb
How to mitigate CVE-2020-5235
Install updates from vendor's website.
Nanopb - addressed in versions 0.2.9.4, 0.3.9.5, 0.4.1
Links to Public Exploits and PoC-codes
External References
- https://github.com/nanopb/nanopb/commit/45582f1f97f49e2abfdba1463d1e1027682d9856
- https://github.com/nanopb/nanopb/commit/7b396821ddd06df8e39143f16e1dc0a4645b89a3
- https://github.com/nanopb/nanopb/commit/aa9d0d1ca78d6adec3adfeecf3a706c7f9df81f2
- https://github.com/nanopb/nanopb/security/advisories/GHSA-gcx3-7m76-287p