openslp: Heap-based buffer overflow in ProcessSrvRqst() in slpd_process.c leading to remote code execution

OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.

VMware Horizon DaaS before 7.0.0 contains a vulnerability that exists due to insufficient validation of data. An attacker may exploit this issue by tricking DaaS client users into connecting to a malicious server and sharing all their drives and devices. Successful exploitation of this vulnerability requires a victim to download a specially crafted RDP file through DaaS client by clicking on a malicious link.

VMware Horizon DaaS (7.x and 8.x before 8.0.1 Update 1) contains a broken authentication vulnerability due to a flaw in the way it handled the first factor authentication. Successful exploitation of this issue may allow an attacker to bypass two-factor authentication process. In order to exploit this issue, an attacker must have a legitimate account on Horizon DaaS.

VMware Horizon DaaS (7.x before 8.0.0) contains a broken authentication vulnerability that may allow an attacker to bypass two-factor authentication. Note: In order to exploit this issue, an attacker must have a legitimate account on Horizon DaaS.