Summary
BullWall Ransomware Containment and Server Intrusion Protection are products used for ransomware containment. Multiple vulnerabilities were reported that when used individually or in conjunction could allow a remote attacker with valid credentials to log in to a system with BullWall products and bypass ransomware detection.
Vulnerabilities 5
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High 8.8
BullWall Ransomware Containment hard-coded folder exclusions
BullWall Ransomware Containment supports configurable file and directory exclusions such as '$RECYCLE.BIN' to balance monitoring scope and performance. Certain exclusion patterns could allow an authenticated attacker to rename directories in a way that avoids…
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High 7.5
BullWall Server Intrusion Protection RDP MFA connection delay
BullWall Server Intrusion Protection has a noticeable configuration-dependent delay before the MFA check for RDP connections. A remote, authenticated attacker can potentially bypass detection during this delay. Versions 4.6.0.0, 4.6.0.6, 4.6.0.7, and 4.6.1.4 …
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High 7.5
BullWall Server Intrusion Protection (SIP) initialization race condition
BullWall Server Intrusion Protection (SIP) services are initialized after login services during system startup. A local, authenticated attacker can log in after boot and before SIP MFA is running. The SIP services do not retroactively enforce MFA or disconnec…
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High 7.1
BullWall Ransomware Containment incomplete file inspection
BullWall Ransomware Containment may not always detect an encrypted file. This issue affects a specific file inspection method that evaluates file content based on header bytes. An authenticated attacker could encrypt files, preserving the first four bytes and…
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Medium 4.3
BullWall Ransomware Containment file count detection bypass
BullWall Ransomware Containment considers the number of files modified to trigger detection. An authenticated attacker could encrypt a single (possibly large) file without triggering detection if thresholds are configured to require multiple file changes. The…
Revision history
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#1.0.0
Initial publication