Summary
Nicolas Ruff discovered that LibVNCServer incorrectly handled memory when
being advertised large screen sizes by the server. If a user were tricked
into connecting to a malicious server, an attacker could use this issue to
cause a denial of service, or possibly execute arbitrary code.
(CVE-2014-6051, CVE-2014-6052)
Nicolas Ruff discovered that LibVNCServer incorrectly handled large
ClientCutText messages. A remote attacker could use this issue to cause a
server to crash, resulting in a denial of service. (CVE-2014-6053)
Nicolas Ruff discovered that LibVNCServer incorrectly handled zero scaling
factor values. A remote attacker could use this issue to cause a server to
crash, resulting in a denial of service. (CVE-2014-6054)
Nicolas Ruff discovered that LibVNCServer incorrectly handled memory in the
file transfer feature. A remote attacker could use this issue to cause a
server to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2014-6055)
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 14.04 LTS 14.04:LTS | libvncserver | 0.9.9+dfsg-1ubuntu1.1 |
Vulnerabilities 5
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Unscored —
Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remote VNC s…
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Unscored —
The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain…
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Unscored —
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not prope…
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Unscored —
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote …
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Unscored —
Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier all…