CVE-2019-8261
Severity Score
9.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.
UltraVNC, en su revisión 1199, contiene una vulnerabilidad de lectura fuera de límites en el código VNC dentro del decodificador del cliente CoRRE, provocado por el desbordamiento de multiplicaciones. Este ataque parece ser explotable mediante la conectividad de red. Esto se ha solucionado en la revisión 1200.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-02-12 CVE Reserved
- 2019-03-05 CVE Published
- 2024-02-23 EPSS Updated
- 2024-09-17 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | X_refsource_confirm |
|
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | X_refsource_confirm |
|
| https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf | X_refsource_confirm |
|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-007-ultravnc-out-of-bound-read | Third Party Advisory | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 | X_refsource_misc | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | X_refsource_misc |
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