CVE-2019-8273

CVE-2019-8273 affects UltraVNC: revision 1211 contains a heap-based buffer overflow in the VNC server code within the file transfer request handler, potentially enabling remote code execution. Exploitation is described as exploitable over network connectivity. Siemens/EC advisories and CVE record...

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...

CVE-2019-8277

UltraVNC revision 1211 contains multiple memory leaks CWE-665 in VNC server code, which allows an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be...

CVE-2019-8264

UltraVNC vulnerability CVE-2019-8264 is a memory-safe/out-of-bounds access issue in the VNC client of the Ultra2 decoder (revision 1203). It could allow remote code execution over the network and has a fix in revision 1204. Affected product: UltraVNC, Ultra2 decoder; the issue is tied to out-of-b...

CVE-2019-8276

UltraVNC vulnerability CVE-2019-8276 affects UltraVNC server code in the file transfer request handler (revision 1211). The issue is a stack-based buffer overflow that can cause Denial of Service over the network, with a fix in revision 1212. The connected Nessus/CheckPoint entries corroborate th...

CVE-2019-8270

UltraVNC revision 1210 has out-of-bounds read vulnerability in VNC client code inside Ultra decoder, which results in a denial of service DoS condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1211...

CVE-2019-8276

UltraVNC revision 1211 has a stack buffer overflow vulnerability in VNC server code inside file transfer request handler, which can result in Denial of Service DoS. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212...

CVE-2019-8280

UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside RAW decoder, which can potentially result code execution. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204...

CVE-2019-8265

UltraVNC revision 1207 contains multiple out-of-bounds access vulnerabilities in the VNC client code (notably related to improper usage of the SETPIXELS macro), which can potentially enable remote code execution over a network. In the connected disclosures, these issues are consistently tied to t...

CVE-2019-8266

CVE-2019-8266 affects UltraVNC revision 1207 where multiple out-of-bounds access vulnerabilities in the VNC client code (ClientConnection::Copybuffer) could lead to code execution. Exploitation is described as network‑based with user interaction required to trigger, and the issues were fixed in r...

CVE-2019-8270

UltraVNC is affected by CVE-2019-8270 due to an out-of-bounds read in the VNC client code inside the Ultra decoder (revision 1210), which can lead to denial of service. The issue is exploitable via network connectivity and has been fixed in revision 1211. Connected sources corroborate a sequence ...

CVE-2019-8271

UltraVNC revision 1211 contains a heap-based buffer overflow in the VNC server file transfer handler that could potentially allow remote code execution when exploited over the network. The issue is fixed in revision 1212; affected products are UltraVNC with the vulnerable server component, and re...

CVE-2019-8280

CVE-2019-8280 affects UltraVNC revision 1203, where an out-of-bounds access vulnerability in the VNC client inside the RAW decoder can lead to code execution. The flaw is exploitable over the network and has been fixed in revision 1204. Public sources (NVD/NIST, CVE List, and related vendor advis...

Out-of-bounds

UltraVNC revision 1210 has out-of-bounds read vulnerability in VNC client code inside Ultra decoder, which results in a denial of service DoS condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1211...

Heap overflow

UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer request handler, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212...

Design/Logic Flaw

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...

Stack overflow

UltraVNC revision 1211 has a stack buffer overflow vulnerability in VNC server code inside file transfer request handler, which can result in Denial of Service DoS. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212...

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...

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...

CVE-2019-8274

UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer offer handler, which can potentially in result code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212...