MidnightBSD

Advisories for uvnc

CVE-2018-15361 HIGH

UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.

CVSS 2.0

Severity: HIGH

Problem Type: CWE-124,CWE-787,

Products Affected

Vendor Product Version
uvnc ultravnc *
CVE-2019-8258 HIGH

UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-122,CWE-787,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8259 MEDIUM

UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client 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 appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1199.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 3.9 3.6

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-665,CWE-401,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8260 HIGH

UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC client RRE decoder code, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.

CVSS 2.0

Severity: HIGH

Problem Type: CWE-125,CWE-125,

Products Affected

Vendor Product Version
uvnc ultravnc *
CVE-2019-8261 HIGH

UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.

CVSS 2.0

Severity: HIGH

Problem Type: CWE-125,CWE-125,

Products Affected

Vendor Product Version
uvnc ultravnc *
CVE-2019-8262 HIGH

UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-122,CWE-787,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8263 MEDIUM

UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H 2.8 3.6

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-121,CWE-787,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8264 HIGH

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.

CVSS 2.0

Severity: HIGH

Problem Type: CWE-788,CWE-125,CWE-787,

Products Affected

Vendor Product Version
uvnc ultravnc *
CVE-2019-8265 HIGH

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 revision 1208.

CVSS 2.0

Severity: HIGH

Problem Type: CWE-788,CWE-125,CWE-787,

Products Affected

Vendor Product Version
uvnc ultravnc *
CVE-2019-8266 HIGH

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of ClientConnection::Copybuffer function in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. User interaction is required to trigger these vulnerabilities. These vulnerabilities have been fixed in revision 1208.

CVSS 2.0

Severity: HIGH

Problem Type: CWE-788,CWE-125,CWE-787,

Products Affected

Vendor Product Version
uvnc ultravnc *
CVE-2019-8267 MEDIUM

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.

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-125,CWE-125,

Products Affected

Vendor Product Version
uvnc ultravnc *
CVE-2019-8268 HIGH

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 fixed in revision 1207.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-193,CWE-193,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8269 MEDIUM

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 3.9 3.6

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-121,CWE-787,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8270 MEDIUM

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.

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-125,CWE-125,

Products Affected

Vendor Product Version
uvnc ultravnc *
CVE-2019-8271 HIGH

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-122,CWE-787,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8272 HIGH

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-193,CWE-193,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8273 HIGH

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-122,CWE-787,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8274 HIGH

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-122,CWE-787,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8275 HIGH

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-170,NVD-CWE-Other,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8276 MEDIUM

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 3.9 3.6

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-121,CWE-787,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8277 MEDIUM

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 exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 3.9 3.6

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-665,CWE-665,

Products Affected

Vendor Product Version
siemens sinumerik_access_mymachine/p2p *
siemens sinumerik_pcu_base_win10_software/ipc *
uvnc ultravnc *
siemens sinumerik_pcu_base_win7_software/ipc *
CVE-2019-8280 HIGH

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.

CVSS 2.0

Severity: HIGH

Problem Type: CWE-788,CWE-125,CWE-787,

Products Affected

Vendor Product Version
uvnc ultravnc *