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CVE
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CVE-2020-14403Date: (C)2020-06-18   (M)2024-04-19


An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.4CVSS Score : 5.5
Exploit Score: 2.8Exploit Score: 8.0
Impact Score: 2.5Impact Score: 4.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: SINGLE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: LOWAvailability: PARTIAL
Integrity: NONE 
Availability: LOW 
  
Reference:
USN-4434-1
USN-4573-1
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
https://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13

CPE    5
cpe:/o:debian:debian_linux:9.0
cpe:/o:debian:debian_linux:8.0
cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
...
CWE    1
CWE-787
OVAL    8
oval:org.secpod.oval:def:67012
oval:org.secpod.oval:def:1801736
oval:org.secpod.oval:def:67013
oval:org.secpod.oval:def:89002982
...

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