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CVE-2019-8277

Published: Mar 9, 2019Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-665
NVD MITRE
7.5CVSSHIGH
EPSS Score
3.0%
Top 14.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch 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.

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

UltraVNCKaspersky Lab
Mixed
Security Products / endpoint-av-edr
ultravncuvnc
sinumerik access mymachine\/p2psiemens
On-prem
Enterprise Software / collaboration-groupware
sinumerik pcu base win10 software\/ipcsiemens
On-prem
Enterprise Software / collaboration-groupware
sinumerik pcu base win7 software\/ipcsiemens
On-prem
Enterprise Software / collaboration-groupware
kaspersky labcommercialRUSecurity Productsaka kaspersky anti-virus, ultravnc, kaspersky internet security
uvncaka ultravnc, pchelpwarev2, ultravnc launcher, winvnc
siemenscommercialDEEnterprise Softwareaka siemens ag

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

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 →

Timeline

Published
Mar 9, 2019
Last Updated
Nov 21, 2024

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