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-2019-8274

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...

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...

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-2019-8268

UltraVNC revision 1206 contains multiple off-by-one vulnerabilities in the VNC client code tied to improper use of ClientConnection::ReadString, exploitable over the network and capable of code execution. This CVE (CVE-2019-8268) is addressed in revision 1207; affected documentation and related s...

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-2019-8271: Heap-based Buffer Overflow

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...

CVE-2019-8264: Access of Memory Location After End of Buffer

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...

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-2019-8265: Access of Memory Location After End of Buffer

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in...

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...

Heap overflow

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...

Out-of-bounds

UltraVNC revision 1207 has out-of-bounds read vulnerability in VNC client code inside TextChat module, which results in a denial of service DoS condition. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1208...

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...

Design/Logic Flaw

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...

Information disclosure

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...

Design/Logic Flaw

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in...

Code injection

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...

Stack overflow

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...

Null pointer dereference

UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212...