What is CVE-2019-8277?

CVE-2019-8277 is a high-severity vulnerability in Kaspersky Lab Ultravnc, classified under Improper Initialization. CVSS score: 7.5/10. Published 2019-03-08.

How severe is CVE-2019-8277?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Kaspersky Lab Ultravnc

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.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

EPSS: 0.030 (85.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Kaspersky Lab Ultravnc — versions revision 1211
Siemens Sinumerik_access_mymachine\/p2p
Siemens Sinumerik_pcu_base_win10_software\/ipc
Siemens Sinumerik_pcu_base_win7_software\/ipc
Uvnc Ultravnc

Weakness classification (CWE)

CWE-665 — Improper Initialization

References

vulnerability@kaspersky.com (x_refsource_CONFIRM, Third Party Advisory)
vulnerability@kaspersky.com (x_refsource_CONFIRM, Third Party Advisory)
vulnerability@kaspersky.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
vulnerability@kaspersky.com (x_refsource_CONFIRM)
vulnerability@kaspersky.com (x_refsource_CONFIRM)
vulnerability@kaspersky.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2019-8277?: CVE-2019-8277 is a high-severity vulnerability in Kaspersky Lab Ultravnc, classified under Improper Initialization. CVSS score: 7.5/10. Published 2019-03-08.
How severe is CVE-2019-8277?: High severity. CVSS v3 base score is 7.5 out of 10.