8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.004 Low
EPSS
Percentile
72.3%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | tigervnc | < 1.10.1+dfsg-9 | tigervnc_1.10.1+dfsg-9_all.deb |
Debian | 11 | all | tigervnc | < 1.10.1+dfsg-9 | tigervnc_1.10.1+dfsg-9_all.deb |
Debian | 10 | all | tigervnc | < 1.9.0+dfsg-3+deb10u3 | tigervnc_1.9.0+dfsg-3+deb10u3_all.deb |
Debian | 999 | all | tigervnc | < 1.10.1+dfsg-9 | tigervnc_1.10.1+dfsg-9_all.deb |
Debian | 13 | all | tigervnc | < 1.10.1+dfsg-9 | tigervnc_1.10.1+dfsg-9_all.deb |
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.004 Low
EPSS
Percentile
72.3%