Vulnerability Details 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.
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-19-012-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-19-012-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-2019-8265
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cpe:2.3:a:uvnc:ultravnc:1.0.9.6.2
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cpe:2.3:a:uvnc:ultravnc:1.1.8.9
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cpe:2.3:a:uvnc:ultravnc:1.1.9.3
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cpe:2.3:a:uvnc:ultravnc:1.1.9.6
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cpe:2.3:a:uvnc:ultravnc:1.2.0.5
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cpe:2.3:a:uvnc:ultravnc:1.2.0.9
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cpe:2.3:a:uvnc:ultravnc:1.2.1.0
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cpe:2.3:a:uvnc:ultravnc:1.2.1.2
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cpe:2.3:a:uvnc:ultravnc:1.2.1.6
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cpe:2.3:a:uvnc:ultravnc:1.2.1.7
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cpe:2.3:a:uvnc:ultravnc:1.2.2.2