Vulnerability Details CVE-2019-20788
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.019
EPSS Ranking 82.0%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed
- https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient
- https://usn.ubuntu.com/4407-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed
- https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient
- https://usn.ubuntu.com/4407-1/
Products affected by CVE-2019-20788
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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: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: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