Detections
Analytics
EulerOS 2.0 SP8 : tigervnc (EulerOS-SA-2020-2536)
high Nessus Plugin ID 144149
Synopsis
The remote EulerOS host is missing a security update.Description
According to the version of the tigervnc packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :- In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. They store the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception.(CVE-2020-26117)
Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Update the affected tigervnc package.See Also
Plugin Details
Severity: High
ID: 144149
File Name: EulerOS_SA-2020-2536.nasl
Version: 1.4
Type: local
Family: Huawei Local Security Checks
Published: 12/14/2020
Updated: 2/2/2024
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
CVSS v2
Risk Factor: Medium
Base Score: 5.8
Temporal Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS Score Source: CVE-2020-26117
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:huawei:euleros:tigervnc, p-cpe:/a:huawei:euleros:tigervnc-icons, p-cpe:/a:huawei:euleros:tigervnc-license, p-cpe:/a:huawei:euleros:tigervnc-server, p-cpe:/a:huawei:euleros:tigervnc-server-minimal, cpe:/o:huawei:euleros:2.0
Required KB Items: Host/local_checks_enabled, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp
Excluded KB Items: Host/EulerOS/uvp_version
Exploit Ease: No known exploits are available
Patch Publication Date: 12/14/2020
Reference Information
CVE: CVE-2020-26117