REDHAT-BUG-1438701: Integer Overflow
First published: Tue Apr 04 2017(Updated: )
In TigerVNC (SMsgReader.cxx SMsgReader::readClientCutText), an authenticated client can crash the server by causing an integer overflow. Upstream patch: <a href="https://github.com/TigerVNC/tigervnc/pull/436/commits/bf3bdac082978ca32895a4b6a123016094905689">https://github.com/TigerVNC/tigervnc/pull/436/commits/bf3bdac082978ca32895a4b6a123016094905689</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TigerVNC |
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Reference Links
Frequently Asked Questions
What is the severity of REDHAT-BUG-1438701?
The severity of REDHAT-BUG-1438701 is typically classified as moderate due to the potential for a server crash.
How do I fix REDHAT-BUG-1438701?
To fix REDHAT-BUG-1438701, apply the upstream patches available for TigerVNC as indicated in the official repository.
What systems are affected by REDHAT-BUG-1438701?
REDHAT-BUG-1438701 specifically affects the TigerVNC server.
Can an unauthenticated user exploit REDHAT-BUG-1438701?
No, only authenticated clients can exploit the vulnerability described in REDHAT-BUG-1438701.
Is there a workaround for REDHAT-BUG-1438701 until a patch is applied?
Currently, there are no documented workarounds for REDHAT-BUG-1438701, so updating to the patched version is recommended.
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