Siemens Simatic Itc1900 Firmware vulnerabilities

CVE-2017-18922 [CRITICAL] CWE-787 CVE-2017-18922: It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.

CVE-2019-20840 [HIGH] CWE-787 CVE-2019-20840: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.

CVE-2020-14398 [HIGH] CWE-835 CVE-2020-14398: An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.

CVE-2020-14396 [HIGH] CWE-476 CVE-2020-14396: An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.

CVE-2018-21247 [HIGH] CWE-909 CVE-2018-21247: An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialize An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.

CVE-2020-14397 [HIGH] CWE-476 CVE-2020-14397: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer d An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.

CVE-2019-20839 [HIGH] CWE-120 CVE-2019-20839: libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filenam libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.

CVE-2020-14402 [MEDIUM] CWE-787 CVE-2020-14402: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds acc An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.

CVE-2020-14401 [MEDIUM] CWE-190 CVE-2020-14401: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value intege An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.

CVE-2020-14405 [MEDIUM] CWE-770 CVE-2020-14405: An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextCh An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.

CVE-2020-14403 [MEDIUM] CWE-787 CVE-2020-14403: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds a An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.

CVE-2020-14404 [MEDIUM] CWE-787 CVE-2020-14404: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds acces An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.

CVE-2019-20788 [CRITICAL] CVE-2019-20788: libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and he libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.

CVE-2019-15681 [HIGH] CWE-665 CVE-2019-15681: LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VN LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow 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 appear to be exploitable via network connecti

CVE-2018-20750 [CRITICAL] CVE-2018-20750: LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

CVE-2018-20748 [CRITICAL] CVE-2018-20748: LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbp LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.

CVE-2018-20749 [CRITICAL] CVE-2018-20749: LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

CVE-2018-20019 [CRITICAL] CWE-787 CVE-2018-20019: LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound wr LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution

CVE-2017-5753 [MEDIUM] CWE-203 CVE-2017-5753: Systems with microprocessors utilizing speculative execution and branch prediction may allow unautho Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.