Out-of-bounds Read in Kaspersky Lab Ultravnc
CVE-2019-8265
UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1208.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Kaspersky Lab Ultravnc — versions 1.2.2.3
- Uvnc Ultravnc
Weakness classification (CWE)
References
- ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-012-ul… (Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
- www.us-cert.gov/ics/advisories/icsa-20-161-06
- cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
- cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
- us-cert.cisa.gov/ics/advisories/icsa-21-131-11
Frequently asked questions
- What is CVE-2019-8265?
- CVE-2019-8265 is a critical-severity vulnerability in Kaspersky Lab Ultravnc, classified under CWE-788. CVSS score: 9.8/10. Published 2019-03-08.
- How severe is CVE-2019-8265?
- Critical severity. CVSS v3 base score is 9.8 out of 10.