It was discovered that the bpserverd proprietary protocol in Unitrends Backup (UB) before 10.0.0, as invoked through xinetd, has an issue in which its authentication can be bypassed. A remote attacker could use this issue to execute arbitrary commands with root privilege on the target system.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Link | Tags |
|---|---|
| https://support.unitrends.com/UnitrendsBackup/s/article/000005755 | vendor advisory |
| https://www.exploit-db.com/exploits/43031/ | third party advisory vdb entry exploit |