CVE-2019-20172
HIGH
7,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM
4,6
Source: [email protected]
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial
Description
AI Translation Available
Kernel/VM/MemoryManager.cpp in SerenityOS before 2019-12-30 does not reject syscalls with pointers into the kernel-only virtual address space, which allows local users to gain privileges by overwriting a return address that was found on the kernel stack.
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
0,0014
Percentile
0,3th
Updated
EPSS Score Trend (Last 91 Days)
119
Improper Restriction of Operations within the Bounds of a Memory Buffer
StableCommon Consequences
Security Scopes Affected:
Integrity
Confidentiality
Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Modify Memory
Read Memory
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Applicable Platforms
Languages:
Assembly, C, C++, Memory-Unsafe
Operating System
Serenityos by Serenityos
Version Range Affected
To
2019-12-30
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:serenityos:serenityos:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/Fire30/CTF-WRITEUPS/tree/master/36c3_ctf/wisdom
https://github.com/SerenityOS/serenity/commit/0fc24fe2564736689859e7edfa177a86d…
https://github.com/Fire30/CTF-WRITEUPS/tree/master/36c3_ctf/wisdom
https://github.com/SerenityOS/serenity/commit/0fc24fe2564736689859e7edfa177a86d…