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rosalinuxROSA LABROSA-SA-2021-1987
HistoryJul 02, 2021 - 6:17 p.m.

Advisory ROSA-SA-2021-1987

2021-07-0218:17:13
ROSA LAB
abf.rosalinux.ru
9

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%

Software: tigervnc 1.8.0
OS: Cobalt 7.9

CVE-ID: CVE-2020-26117
CVE-Crit: HIGH
CVE-DESC: In the files rfb / CSecurityTLS.cxx and rfb / CSecurityTLS.java in TigerVNC before 1.11.0, the viewers do not handle TLS certificate exceptions correctly. They store certificates as authoritative sources, which means that the certificate owner can impersonate any server after the client has added an exception.
CVE-STATUS: default
CVE-REV: Default

OSVersionArchitecturePackageVersionFilename
Cobaltanynoarchtigervnc< 1.8.0UNKNOWN

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%