SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-8267

UltraVNC revision 1207 has out-of-bounds read vulnerability in VNC client code inside TextChat module, which results in a denial of service (DoS) condition.

HIGH 7.5EPSS 1.95%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

UltraVNC revision 1207 has out-of-bounds read vulnerability in VNC client code inside TextChat module, which results in a denial of service (DoS) condition. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1208.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.95% probability · 79th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
uvnc/ultravnc
Source
vulnerability@kaspersky.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.