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CVE-2019-8277

Published: Mar 9, 2019Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-665
7.5HIGH
NVD MITRE
EPSS Score
3.0%
Top 14.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-665

Affected Products

siemens
commercial·DEaka siemens ag
sinumerik access mymachine\/p2p
ICS / OT / IoT
sinumerik pcu base win10 software\/ipc
ICS / OT / IoT
sinumerik pcu base win7 software\/ipc
ICS / OT / IoT
Kaspersky Lab
commercial·RUaka ultravnc, kaspersky anti-virus, kaspersky internet security
UltraVNCDesktop App
Security Products / secure-gateway-vpn
uvnc
commercial
ultravncOn-prem
Consumer Software / file-utility

Exploitability

Official Patch Available
Is your org exposed to CVE-2019-8277?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-024-ultravnc-improper-initialization/
ics-cert.kaspersky.com
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
cert-portal.siemens.com
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
us-cert.gov
and 25 more references View all →
News mentions
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