Description
TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:HPrivileges RequiredHigh
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Kaspersky
commercial·RUaka kaspersky antivirus, kaspersky lab
tigervnc
oss-project
tigervncOn-prem
Communicationsopensuse
oss-project·DE
Сообщество свободного программного обеспечения
oss-projectaka fsf
Novell Inc.
commercial·US
and 1 more affected products View all →
Exploitability
Official Patch Available
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
2 techniques Initial Access
Privilege Escalation
References
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
github.com
https://www.openwall.com/lists/oss-security/2019/12/20/2
openwall.com
https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89
github.com
and 9 more references View all →
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