CVE-2011-1775

2011-05-2618:55:02

Debian Security Bug Tracker

security-tracker.debian.org

CVSS2

5.8

Attack Vector

NETWORK

Attack 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

EPSS

0.003

Percentile

68.6%

JSON

The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server’s X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate.

OSVersionArchitecturePackageVersionFilename
Debian12alltigervnc< 1.12.0+dfsg-8tigervnc_1.12.0+dfsg-8_all.deb
Debian11alltigervnc< 1.11.0+dfsg-2+deb11u1tigervnc_1.11.0+dfsg-2+deb11u1_all.deb
Debian999alltigervnc< 1.13.1+dfsg-3tigervnc_1.13.1+dfsg-3_all.deb
Debian13alltigervnc< 1.13.1+dfsg-3tigervnc_1.13.1+dfsg-3_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	tigervnc	< 1.12.0+dfsg-8	tigervnc_1.12.0+dfsg-8_all.deb
Debian	11	all	tigervnc	< 1.11.0+dfsg-2+deb11u1	tigervnc_1.11.0+dfsg-2+deb11u1_all.deb
Debian	999	all	tigervnc	< 1.13.1+dfsg-3	tigervnc_1.13.1+dfsg-3_all.deb
Debian	13	all	tigervnc	< 1.13.1+dfsg-3	tigervnc_1.13.1+dfsg-3_all.deb