CVE-2019-8287 Memory corruption in TightVNC

What is CVE-2019-8287?

CVE-2019-8287 is a critical memory corruption vulnerability in Kaspersky TightVNC, published on 29 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.

Weakness: CWE-120

Which versions are affected by CVE-2019-8287?

It affects 1 product.

Products include Tightvnc Tightvnc.

How do I fix CVE-2019-8287?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-8287 being exploited?

There is no known exploitation of CVE-2019-8287 in the wild and no public exploit code.

Other vulnerabilities in Kaspersky TightVNC

• CVE-2009-0388 Integer overflow in n/a Critical 10.0
• CVE-2021-42785 Buffer Overflow in tvnviewer.exe via Crafted Packet in TightVNC Viewer 2.8.59 Critical 9.8
• CVE-2019-15678 Memory corruption in TightVNC Critical 9.8
• CVE-2019-15679 Memory corruption in TightVNC Critical 9.8
• CVE-2023-27830 Privilege escalation in n/a Critical 9.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-8287, GHSA-frvw-vf5g-vxwg, UBUNTU-CVE-2019-8287.