Simatic Itc1500 Pro Firmware Security Vulnerabilities - 2020
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.
9.8CVSS
9.2AI Score
0.004EPSS
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.
7.5CVSS
8.1AI Score
0.002EPSS
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.
9.8CVSS
9.2AI Score
EPSS
libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.
7.5CVSS
7.6AI Score
0.017EPSS
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.
7.5CVSS
7.2AI Score
0.012EPSS
An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.
7.5CVSS
7.3AI Score
0.002EPSS
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.
7.5CVSS
7.3AI Score
0.014EPSS
An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.
7.5CVSS
7.3AI Score
0.008EPSS
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.
6.5CVSS
6.6AI Score
0.009EPSS
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.
5.4CVSS
6.2AI Score
0.001EPSS
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.
5.4CVSS
6.1AI Score
0.001EPSS
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.
5.4CVSS
6.1AI Score
0.001EPSS
An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.
6.5CVSS
6.7AI Score
0.002EPSS