Vulnerability Details CVE-2020-14398
An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.018
EPSS Ranking 81.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/57433015f856cc12753378254ce4f1c78f5d9c7b
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
- https://usn.ubuntu.com/4434-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/57433015f856cc12753378254ce4f1c78f5d9c7b
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
- https://usn.ubuntu.com/4434-1/
Products affected by CVE-2020-14398
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cpe:2.3:a:libvnc_project:libvncserver:0.9.12
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cpe:2.3:h:siemens:simatic_itc1500:-
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cpe:2.3:h:siemens:simatic_itc1500_pro:-
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cpe:2.3:h:siemens:simatic_itc1900:-
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cpe:2.3:h:siemens:simatic_itc1900_pro:-
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cpe:2.3:h:siemens:simatic_itc2200:-
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cpe:2.3:h:siemens:simatic_itc2200_pro:-
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:canonical:ubuntu_linux:18.10
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cpe:2.3:o:canonical:ubuntu_linux:20.04
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:opensuse:leap:15.2
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cpe:2.3:o:siemens:simatic_itc1500_firmware:3.0.0.0
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cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:3.0.0.0
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cpe:2.3:o:siemens:simatic_itc1900_firmware:3.0.0.0
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cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:3.0.0.0
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cpe:2.3:o:siemens:simatic_itc2200_firmware:3.0.0.0
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cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:3.0.0.0