Vulnerability Details CVE-2019-8264
UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.017
EPSS Ranking 81.7%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-011-ultravnc-access-of-memory-location-after-end-of-buffer/
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06
- https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-011-ultravnc-access-of-memory-location-after-end-of-buffer/
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06
Products affected by CVE-2019-8264
-
cpe:2.3:a:uvnc:ultravnc:1.0.9.6.2
-
cpe:2.3:a:uvnc:ultravnc:1.1.8.9
-
cpe:2.3:a:uvnc:ultravnc:1.1.9.3
-
cpe:2.3:a:uvnc:ultravnc:1.1.9.6
-
cpe:2.3:a:uvnc:ultravnc:1.2.0.5
-
cpe:2.3:a:uvnc:ultravnc:1.2.0.9
-
cpe:2.3:a:uvnc:ultravnc:1.2.1.0
-
cpe:2.3:a:uvnc:ultravnc:1.2.1.2
-
cpe:2.3:a:uvnc:ultravnc:1.2.1.6
-
cpe:2.3:a:uvnc:ultravnc:1.2.1.7
-
cpe:2.3:a:uvnc:ultravnc:1.2.2.2