Vulnerability Details : CVE-2019-8277

UltraVNC revision 1211 contains multiple memory leaks (CWE-665) in VNC server code, which allows an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.
Published 2019-03-08 23:29:01
Updated 2021-06-28 13:15:12
Source Kaspersky Labs
View at NVD,   CVE.org
Vulnerability category: Information leak

Products affected by CVE-2019-8277

Exploit prediction scoring system (EPSS) score for CVE-2019-8277

EPSS FAQ
0.42%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-8277

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
 NIST

CWE ids for CVE-2019-8277

  • The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.
    Assigned by:
    • nvd@nist.gov (Primary)
    • vulnerability@kaspersky.com (Secondary)

References for CVE-2019-8277

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