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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-26117 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00025.html CVE, MITRE Broken Link  Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00024.html CVE, MITRE Broken Link  Mailing List  Third Party Advisory 
https://bugzilla.opensuse.org/show_bug.cgi?id=1176733 CVE, MITRE Issue Tracking  Third Party Advisory 
https://github.com/TigerVNC/tigervnc/commit/20dea801e747318525a5859fe4f37c52b05310cb CVE, MITRE Patch  Third Party Advisory 
https://github.com/TigerVNC/tigervnc/commit/7399eab79a4365434d26494fa1628ce1eb91562b CVE, MITRE Patch  Third Party Advisory 
https://github.com/TigerVNC/tigervnc/commit/b30f10c681ec87720cff85d490f67098568a9cba CVE, MITRE Patch  Third Party Advisory 
https://github.com/TigerVNC/tigervnc/commit/f029745f63ac7d22fb91639b2cb5b3ab56134d6e CVE, MITRE Patch  Third Party Advisory 
https://github.com/TigerVNC/tigervnc/releases/tag/v1.11.0 CVE, MITRE Release Notes  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00007.html CVE, MITRE Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-295 Improper Certificate Validation cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-26117
NVD Published Date:
09/27/2020
NVD Last Modified:
11/21/2024
Source:
MITRE