CVE-2019-8272 Integer overflow in UltraVNC
An attacker can execute arbitrary code on UltraVNC servers via network connectivity due to off-by-one errors in the server code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-8272?
CVE-2019-8272 is a critical vulnerability in Kaspersky Lab UltraVNC, published on 9 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.
Weakness: CWE-193
Which versions are affected by CVE-2019-8272?
It affects 4 products.
Products include Siemens Sinumerik Access Mymachine\/P2p, Siemens Sinumerik Pcu Base Win10 Software\/Ipc, Siemens Sinumerik Pcu Base Win7 Software\/Ipc, Uvnc Ultravnc.
How do I fix CVE-2019-8272?
No fix has been published for CVE-2019-8272 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-8272 being exploited?
There is no known exploitation of CVE-2019-8272 in the wild and no public exploit code.
Other vulnerabilities in Kaspersky Lab UltraVNC
Sources
Also known as GHSA-5ccm-mjxh-p582.