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CVE-2018-20748

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 30-01-2019 07:29
Last modified: - 09-03-2022 10:54
Total changes: - 3

Description

LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Low
Attack complexity
Network
Attack vector
High
Availability
High
Confidentiality
High
Integrity
None
Privileges required
Unchanged
Scope
None
User interaction
9.8
Base score
3.9
5.9
Exploitability score
Impact score
 

Verification logic

OR
OR
vendor=libvnc_project AND product=libvncserver AND versionEndExcluding=0.9.12
OR
vendor=Debian AND product=debian_linux AND version=8.0
OR
vendor=canonical AND product=ubuntu_linux AND version=14.04 AND software_edition=lts
vendor=canonical AND product=ubuntu_linux AND version=18.04 AND software_edition=lts
vendor=canonical AND product=ubuntu_linux AND version=18.10
vendor=canonical AND product=ubuntu_linux AND version=16.04 AND software_edition=lts
OR
vendor=Debian AND product=debian_linux AND version=8.0
AND
OR
vendor=siemens AND product=simatic_itc1500_firmware AND versionStartIncluding=3.0.0.0 AND versionEndExcluding=3.2.1.0
OR
vendor=siemens AND product=simatic_itc1500 AND version=-
AND
OR
vendor=siemens AND product=simatic_itc1500_pro_firmware AND versionStartIncluding=3.0.0.0 AND versionEndExcluding=3.2.1.0
OR
vendor=siemens AND product=simatic_itc1500_pro AND version=-
AND
OR
vendor=siemens AND product=simatic_itc1900_firmware AND versionStartIncluding=3.0.0.0 AND versionEndExcluding=3.2.1.0
OR
vendor=siemens AND product=simatic_itc1900 AND version=-
AND
OR
vendor=siemens AND product=simatic_itc1900_pro_firmware AND versionStartIncluding=3.0.0.0 AND versionEndExcluding=3.2.1.0
OR
vendor=siemens AND product=simatic_itc1900_pro AND version=-
AND
OR
vendor=siemens AND product=simatic_itc2200_firmware AND versionStartIncluding=3.0.0.0 AND versionEndExcluding=3.2.1.0
OR
vendor=siemens AND product=simatic_itc2200 AND version=-
AND
OR
vendor=siemens AND product=simatic_itc2200_pro_firmware AND versionStartIncluding=3.0.0.0 AND versionEndExcluding=3.2.1.0
OR
vendor=siemens AND product=simatic_itc2200_pro AND version=-
 

Reference

 


Keywords

NVD

 

CVE-2018-20748

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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