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VULNERABILITIES

CVE-2019-8258 Details

Description

UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf CVEThird Party Advisory
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/ CVEThird Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-161-06 CVEThird Party AdvisoryUS Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf [email protected]Third Party Advisory
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/ [email protected]Third Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]
CWE-122Heap-based Buffer Overflow[email protected]

Affected Products

ProductVersions
uvnc ultravnc
< 1.2.2.3

CPE

  • cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
siemens sinumerik access mymachine/p2p
< 4.8

CPE

  • cpe:2.3:a:siemens:sinumerik_access_mymachine/p2p:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
siemens sinumerik pcu base win10 software/ipc
< 14.00

CPE

  • cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software/ipc:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
siemens sinumerik pcu base win7 software/ipc
<= 12.01

CPE

  • cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software/ipc:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-8258
NVD Published Date:
Mar 5, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-8258 Details - Not Deferred