CVE-2019-8260
First published: Tue Mar 05 2019(Updated: )
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC client RRE decoder code, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.
Credit: vulnerability@kaspersky.com vulnerability@kaspersky.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| UltraVNC | <1.2.2.3 | |
| Siemens SINAMICS GH150 | ||
| Siemens SINAMICS GL150 Firmware | ||
| Siemens SINAMICS GM150 (with option X30) | ||
| Siemens SINAMICS SH150 firmware | ||
| Siemens SINAMICS SL150 | ||
| Siemens SINAMICS SM120 | ||
| Siemens SINAMICS SM150 Firmware | ||
| Siemens SINAMICS SM150i firmware | ||
| Siemens SIMATIC HMI Comfort Outdoor Panels 7’ and 15’ (incl. SIPLUS variants) Update 4 | <16 | 16 |
| Siemens SIMATIC HMI Comfort Panels | <16 | 16 |
| Siemens SIMATIC HMI Mobile Panels | <16 | 16 |
| Siemens SIMATIC WinCC Runtime Advanced | <16 | 16 |
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Reference Links
- 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-19-006-ultravnc-out-of-bound-read/
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-131-04 (Advisory)
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-131-11 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2019-8260?
CVE-2019-8260 is considered a critical vulnerability due to its potential for remote exploitation.
How do I fix CVE-2019-8260?
To fix CVE-2019-8260, update UltraVNC to revision 1200 or newer.
What types of software are affected by CVE-2019-8260?
CVE-2019-8260 affects UltraVNC versions up to 1.2.2.3 and various Siemens SINAMICS products.
Can CVE-2019-8260 be exploited remotely?
Yes, CVE-2019-8260 can be exploited remotely via network connectivity.
What kind of vulnerability is CVE-2019-8260?
CVE-2019-8260 is an out-of-bounds read vulnerability caused by a multiplication overflow.
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- agent/weakness
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- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/first-publish-date
- agent/last-modified-date
- agent/author
- agent/event
- agent/trending
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- collector/ics-cert-advisory
- source/ICS
- vendor/uvnc
- canonical/ultravnc
- vendor/siemens
- canonical/siemens sinamics gh150
- canonical/siemens sinamics gl150 firmware
- canonical/siemens sinamics gm150 (with option x30)
- canonical/siemens sinamics sh150 firmware
- canonical/siemens sinamics sl150
- canonical/siemens sinamics sm120
- canonical/siemens sinamics sm150 firmware
- canonical/siemens sinamics sm150i firmware
- canonical/siemens simatic hmi comfort outdoor panels 7’ and 15’ (incl. siplus variants) update 4
- canonical/siemens simatic hmi comfort panels
- canonical/siemens simatic hmi mobile panels
- canonical/siemens simatic wincc runtime advanced