CVE-2014-6052

描述

The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.

如何修補 CVE-2014-6052

要修補 CVE-2014-6052,請將受影響套件升級到下列已修補版本。

• Debian/libvncserver—升級至 0.9.9+dfsg-6.1 或更新版本
• Debian/veyon—升級至 4.1.4+repack1-1 或更新版本

CVE-2014-6052 正在被利用嗎?

中等 — EPSS 為 6.8%,可持續追蹤但非最高優先。

受影響套件(2)

• from 0, < 0.9.9+dfsg-6.1
• from 0, < 4.1.4+repack1-1

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2014-6052