8.1

CVE-2020-26117

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tigervnc ≫ Tigervnc Version < 1.11.0
Debian ≫ Debian Linux Version9.0
Opensuse ≫ Leap Version15.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.06% 0.859
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
nvd@nist.gov 5.8 8.6 4.9
AV:N/AC:M/Au:N/C:P/I:P/A:N
CWE-295 Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

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