V-SOL OLTs Backdoor / Privilege Escalation

Hello, Please find a text-only version below sent to security mailing lists. The complete version on "Multiple vulnerabilities found in V-SOL OLTs" is posted here: https://pierrekim.github.io/blog/2020-07-14-v-sol-olt-0day-vulnerabilities.html === text-version of the advisory === -----BEGIN PGP...

CVE-2015-3960: Undefined Security Weakness

The firmware in MNS before 4.5.6 on Belden GarrettCom Magnum 6K and Magnum 10K switches uses hardcoded RSA private keys and certificates across different customers' installations, which makes it easier for remote attackers to defeat cryptographic protection mechanisms for HTTPS sessions by...