CVSS: 6.5EPSS: 1%CPEs: 4EXPL: 0CVE-2019-8263
https://notcve.org/view.php?id=CVE-2019-8263
05 Mar 2019 — 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 cond... • https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 1%CPEs: 1EXPL: 0CVE-2019-8260
https://notcve.org/view.php?id=CVE-2019-8260
05 Mar 2019 — UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC client RRE decoder code, 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 1198, contiene una vulnerabilidad de lectura fuera de límites en el código del decodificador RRE del cliente VNC, 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 • CWE-125: Out-of-bounds Read •
CVSS: 9.8EPSS: 6%CPEs: 4EXPL: 0CVE-2019-8262
https://notcve.org/view.php?id=CVE-2019-8262
05 Mar 2019 — 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 e... • https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 10.0EPSS: 48%CPEs: 3EXPL: 4CVE-2009-0388 – TightVNC - Authentication Failure Integer Overflow (PoC)
https://notcve.org/view.php?id=CVE-2009-0388
04 Feb 2009 — Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp. Errores múltiples de signo de entero en (1) UltraVNC v1.0.2 y v1.0.5 y (2) TightVnc v1.3.9 permiten a atacantes remot... • https://www.exploit-db.com/exploits/8024 • CWE-189: Numeric Errors •