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Debian LTS: Security Advisory for tigervnc (DLA-2396-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'tigervnc' package(s) announced via the DLA-2396-1 advisory.
Insight
Insight
A vulnerability was discovered in tigernvc, a Virtual Network Computing client and server implementation. The viewer implementation mishandles TLS certificate exceptions, storing the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception.
Affected Software
Affected Software
'tigervnc' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, this problem has been fixed in version 1.7.0+dfsg-7+deb9u2. We recommend that you upgrade your tigervnc packages.