Kaspersky Lab UltraVNC
At a glance
- Source
- NVD
- EPSS
- EPSS 3.13 % · percentile 88 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Kaspersky
- NVD status
- Modified
Description
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.
Weaknesses (CWE)
- CWE-788 — Access of Memory Location After End of Buffer
- CWE-125 — Out-of-bounds Read
- CWE-787 — Out-of-bounds Write
References
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-011-ultravnc-access-of-memory-location-after-end-of-buffer/
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06
- https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | CRITICAL 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2019-17662
- GCVE · GCVE-0-2019-8264
CERT-FR advisories
- CERTFR-2021-AVI-357 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
- CERTFR-2020-AVI-349 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
- CERTFR-2019-AVI-384 — Multiples vulnérabilités dans les produits Schneider Electric · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*< 1.2.2.3
Affected products
| Product | Versions |
|---|---|
| Kaspersky Lab · UltraVNC | affected 1.2.2.3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |