CVE-2019-15695
HIGH
7,2
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM
6,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: single
Confidentiality: partial
Integrity: partial
Availability: partial
Description
AI Translation Available
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.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0342
Percentile
0,9th
Updated
EPSS Score Trend (Last 91 Days)
121
Stack-based Buffer Overflow
DraftCommon Consequences
Security Scopes Affected:
Availability
Integrity
Confidentiality
Access Control
Other
Potential Impacts:
Modify Memory
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Execute Unauthorized Code Or Commands
Bypass Protection Mechanism
Other
Applicable Platforms
Languages:
C, C++, Memory-Unsafe
754
Improper Check for Unusual or Exceptional Conditions
IncompleteCommon Consequences
Security Scopes Affected:
Integrity
Availability
Potential Impacts:
Dos: Crash, Exit, Or Restart
Unexpected State
Applicable Platforms
All platforms may be affected
787
Out-of-bounds Write
DraftCommon Consequences
Security Scopes Affected:
Integrity
Availability
Other
Potential Impacts:
Modify Memory
Execute Unauthorized Code Or Commands
Dos: Crash, Exit, Or Restart
Unexpected State
Applicable Platforms
Languages:
Assembly, C, C++, Memory-Unsafe
Technologies:
ICS/OT
Application
Tigervnc by Tigervnc
Version Range Affected
To
1.10.1
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Leap by Opensuse
CPE Identifier
View Detailed Analysis
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b…
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
https://www.openwall.com/lists/oss-security/2019/12/20/2
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b…
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
https://www.openwall.com/lists/oss-security/2019/12/20/2