Out-of-bounds Read in Kaspersky Lab Ultravnc
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. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1208.
Vulnerability class: Buffer Overflow
EPSS: 0.019 (78.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Kaspersky Lab Ultravnc — versions 1.2.2.3
- Uvnc Ultravnc
Weakness classification (CWE)
References
- vulnerability@kaspersky.com (Third Party Advisory, x_refsource_MISC)
- vulnerability@kaspersky.com (x_refsource_CONFIRM)
- vulnerability@kaspersky.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-8267?
- CVE-2019-8267 is a high-severity vulnerability in Kaspersky Lab Ultravnc, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-03-08.
- How severe is CVE-2019-8267?
- High severity. CVSS v3 base score is 7.5 out of 10.