BQE · BillQuick Web Suite
CVE-2021-42258
BQE BillQuick Web Suite SQL Injection Vulnerability
De quoi s'agit-il
BQE BillQuick Web Suite 2018 through 2021 before 22.0.9.1 allows SQL injection for unauthenticated remote code execution, as exploited in the wild in October 2021 for ransomware installation. SQL injection can, for example, use the txtID (aka username) parameter. Successful exploitation can include the ability to execute arbitrary code as MSSQLSERVER$ via xp_cmdshell.
CISA: BQE BillQuick Web Suite contains an SQL injection vulnerability when accessing the username parameter that may allow for unauthenticated, remote code execution.
Que faire
Apply updates per vendor instructions.
Échéance pour les agences fédérales américaines : 17 novembre 2021
Sources : Known Exploited Vulnerabilities (CISA, domaine public), CVE records (cve.org) et EPSS (FIRST). Le risque d'attaque est l'estimation EPSS qu'une personne tente d'exploiter la faille dans les 30 prochains jours.