VNC: TightVNC vncviewer rfbServerCutText Handler Integer Overflow

This signature detects attempts to exploit a known vulnerability against TightVNC. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the server.

Extended Description

TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack appear to be exploitable via network connectivity.

Affected Products

Tightvnc tightvnc

References

CVE: CVE-2019-15678

URL: https://www.openwall.com/lists/oss-security/2018/12/10/5

Short Name

VNC:OVERFLOW:TIGHT-VNC-VW

Severity

Major

Recommended

False

Recommended Action

Drop

VNC: TightVNC vncviewer rfbServerCutText Handler Integer Overflow

Extended Description

Affected Products

References

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