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CVE-2017-18922

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 30-06-2020 01:15
Last modified: - 01-04-2022 08:08
Total changes: - 3

Description

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.

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=libvncserver_project AND product=libvncserver AND versionEndExcluding=0.9.12
OR
vendor=canonical AND product=ubuntu_linux AND version=16.04 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=19.10
vendor=canonical AND product=ubuntu_linux AND version=20.04 AND software_edition=lts
OR
vendor=opensuse AND product=leap AND version=15.1
vendor=opensuse AND product=leap AND version=15.2
OR
vendor=fedoraproject AND product=fedora AND version=31
vendor=fedoraproject AND product=fedora AND version=32
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-2017-18922

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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