CVE-2019-8277 Information disclosure in UltraVNC
An attacker can read stack memory via network connectivity to disclose information and bypass ASLR in UltraVNC server.
- 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-2019-8277?
CVE-2019-8277 is a high-severity 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 contains multiple memory leaks (CWE-665) in VNC server code, which allows an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.
Weakness: CWE-665
Which versions are affected by CVE-2019-8277?
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-2019-8277?
No fix has been published for CVE-2019-8277 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-8277 being exploited?
There is no known exploitation of CVE-2019-8277 in the wild and no public exploit code.
Other vulnerabilities in Kaspersky Lab UltraVNC
Sources
Also known as GHSA-w42q-f4mr-jhc4.