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-2019-8274

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-2019-8273

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...

CVE-2019-8275

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...

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-2019-8277

UltraVNC revision 1211 contains multiple memory-leak vulnerabilities (CWE-665) in the VNC server code that can allow an attacker to read stack memory and, with other vulnerabilities, bypass ASLR. The issues are exploitable via network connectivity and have been fixed in revision 1212. This CVE en...

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...

CVE-2019-8269

CVE-2019-8269 describes a stack-based buffer overflow in UltraVNC before revision 1207, specifically in the VNC client code within the FileTransfer module. The vulnerability in revision 1206 can lead to a denial-of-service condition and is reported as exploitable over network connectivity. The is...

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-2019-8269

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-2019-8275

UltraVNC revision 1211 contains multiple improper null termination vulnerabilities in the VNC server code, allowing out-of-bounds data access via network. CVSS v3.1 base score 9.8. Affected: UltraVNC 1211; fix: upgrade to revision 1212 (addressed in the same family of issues).

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-2019-8276

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-2019-8274

CVE-2019-8274 affects UltraVNC 1211 in the VNC server code’s file transfer offer handler, describing a heap-based buffer overflow that could allow remote code execution via network access. The issue is resolved in revision 1212. No exploitation details are provided beyond that it is network-explo...

CVE-2019-8272

UltraVNC 1211 contains off-by-one vulnerabilities in the VNC server code that can potentially lead to remote code execution when exploited over a network. The issue is fixed in revision 1212. A Nessus plugin also documents other related UltraVNC CVEs (e.g., 2019-8274, 2019-8271) affecting version...

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-2019-8280

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...