Vulnerability Description
An unsigned-library issue was discovered in ProlinOS through 2.4.161.8859R. This OS requires installed applications and all system binaries to be signed either by the manufacturer or by the Point Of Sale application developer and distributor. The signature is a 2048-byte RSA signature verified in the kernel prior to ELF execution. Shared libraries, however, do not need to be signed, and they are not verified. An attacker may execute a custom binary by compiling it as a shared object and loading it via LD_PRELOAD.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pax | Prolinos | <= 2.4.161.8859r |
Related Weaknesses (CWE)
References
- https://git.lsd.cat/g/pax-pwnExploitThird Party Advisory
- https://git.lsd.cat/g/pax-pwnExploitThird Party Advisory
FAQ
What is CVE-2020-28045?
CVE-2020-28045 is a vulnerability with a CVSS score of 7.8 (HIGH). An unsigned-library issue was discovered in ProlinOS through 2.4.161.8859R. This OS requires installed applications and all system binaries to be signed either by the manufacturer or by the Point Of S...
How severe is CVE-2020-28045?
CVE-2020-28045 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-28045?
Check the references section above for vendor advisories and patch information. Affected products include: Pax Prolinos.