CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 0CVE-2019-8264
https://notcve.org/view.php?id=CVE-2019-8264
UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204. UltraVNC, en su revisión 1203, tiene una vulnerabilidad de acceso fuera de límites en el cliente VNC dentro del decodificador Ultra2, lo que podría, potencialmente, resultar en una ejecución de código. Este ataque parece ser explotable mediante la conectividad de red. • 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-19-011-ultravnc-access-of-memory-location-after-end-of-buffer https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 https://www.us-cert.gov/ics/advisories/icsa-20-161-06 • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write CWE-788: Access of Memory Location After End of Buffer •
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 •
CVSS: 9.8EPSS: 1%CPEs: 4EXPL: 0CVE-2019-8262
https://notcve.org/view.php?id=CVE-2019-8262
UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204. UltraVNC, en su revisión 1203, tiene múltiples vulnerabilidades de desbordamiento de búfer de memoria dinámica (heap) en el código del cliente VNC dentro del decodificador Ultra, lo que resulta en la ejecución de código. Este ataque parece ser explotable mediante conectividad de red. • 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-19-008-ultravnc-heap-based-buffer-overflow https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 https://www.us-cert.gov/ics/advisories/icsa-20-161-06 • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 0CVE-2018-15361
https://notcve.org/view.php?id=CVE-2018-15361
UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199. UltraVNC, en su revisión 1198, tiene una vulnerabilidad de subdesbordamiento de búfer en el código del cliente VNC que podría conducir a 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-19-003-ultravnc-buffer-underwrite https://www.us-cert.gov/ics/advisories/icsa-20-161-06 • CWE-124: Buffer Underwrite ('Buffer Underflow') CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 1%CPEs: 1EXPL: 0CVE-2019-8261
https://notcve.org/view.php?id=CVE-2019-8261
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200. UltraVNC, en su revisión 1199, contiene una vulnerabilidad de lectura fuera de límites en el código VNC dentro del decodificador del cliente CoRRE, provocado por el desbordamiento de multiplicaciones. Este ataque parece ser explotable mediante la conectividad de red. • 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-19-007-ultravnc-out-of-bound-read https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 https://www.us-cert.gov/ics/advisories/icsa-20-161-06 • CWE-125: Out-of-bounds Read •