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.
Published 2019-03-08 23:29:00
Updated 2021-06-28 12:15:09
Source Kaspersky Labs
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2019-8265

Exploit prediction scoring system (EPSS) score for CVE-2019-8265

EPSS FAQ
0.75%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 80 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-8265

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
9.8
 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2019-8265

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)
  • The product reads or writes to a buffer using an index or pointer that references a memory location after the end of the buffer.
    Assigned by: vulnerability@kaspersky.com (Secondary)

References for CVE-2019-8265

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