CVSS: 9.8EPSS: 0%CPEs: 4EXPL: 0CVE-2019-8272
https://notcve.org/view.php?id=CVE-2019-8272
UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212. UltraVNC, en su revisión 1211, tiene una vulnerabilidad de error por un paso en el código del servidor VNC, lo que podría resultar, potencialmente, en la ejecución de código. Este ataque parece ser explotable mediante la conectividad de red. • https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-019-ultravnc-off-by-one-error https://www.us-cert.gov/ics/advisories/icsa-20-161-06 • CWE-193: Off-by-one Error •
CVSS: 9.8EPSS: 1%CPEs: 4EXPL: 0CVE-2019-8271
https://notcve.org/view.php?id=CVE-2019-8271
UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer handler, which can potentially result code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212. UltraVNC, en su revisión 1211, tiene una vulnerabilidad de desbordamiento de búfer basado en memoria dinámica (heap) en el código VNC del servidor dentro de un manipulador de trasferencias de archivos, lo que, potencialmente, puede resultar en la ejecución de código. Este ataque parece ser explotable mediante la conectividad de red. • https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-018-ultravnc-heap-based-buffer-overflow https://www.us-cert.gov/ics/advisories/icsa-20-161-06 • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0CVE-2019-8269
https://notcve.org/view.php?id=CVE-2019-8269
UltraVNC revision 1206 has stack-based Buffer overflow vulnerability in VNC client code inside FileTransfer module, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1207. UltraVNC, en su revisión 1206, tiene un desbordamiento de búfer basado en pila en el código del cliente VNC dentro del módulo "FileTransfer", lo cual conduce a una condición de denegación de servicio (DoS). Este ataque parece ser explotable mediante la conectividad de red. • https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-016-ultravnc-stack-based-buffer-overflow https://www.us-cert.gov/ics/advisories/icsa-20-161-06 • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 0%CPEs: 4EXPL: 0CVE-2019-8268
https://notcve.org/view.php?id=CVE-2019-8268
UltraVNC revision 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of ClientConnection::ReadString function, which can potentially result code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1207. UltraVNC, en su revisión 1206, tiene múltiples vulnerabilidades de error por un paso en el código del cliente VNC conectadas con el uso incorrecto de la función ClientConnection::ReadString, lo cual puede resultar, potencialmente, en la ejecución de código. Este ataque parece ser explotable mediante la conectividad de red. • https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-015-ultravnc-off-by-one-error https://www.us-cert.gov/ics/advisories/icsa-20-161-06 • CWE-193: Off-by-one Error •
CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 0CVE-2019-8263
https://notcve.org/view.php?id=CVE-2019-8263
UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206. UltraVNC, en su revisión 1205, tiene un desbordamiento de búfer basado en pila en el código del cliente VNC dentro de la rutina ShowConnInfo, lo cual conduce a una condición de denegación de servicio (DoS). • https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow https://us-cert.cisa.gov/ics/advisories/icsa- • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •