Description
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.
Published: 2011-05-26
Score: 5.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2011-1773 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.
History

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Subscriptions

Redhat Enterprise Linux
Tigervnc Tigervnc
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T22:37:25.770Z

Reserved: 2011-04-19T00:00:00.000Z

Link: CVE-2011-1775

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2011-05-26T18:55:02.287

Modified: 2026-04-29T01:13:23.040

Link: CVE-2011-1775

cve-icon Redhat

Severity : Moderate

Publid Date: 2011-05-04T00:00:00Z

Links: CVE-2011-1775 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses