CVE-2018-20452
HIGH
8,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM
6,8
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial
Description
AI Translation Available
The read_MSAT_body function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2_read_header in ole.c.
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
0,0040
Percentile
0,6th
Updated
EPSS Score Trend (Last 90 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
Application
Libxls by Libxls Project
CPE Identifier
View Detailed Analysis
cpe:2.3:a:libxls_project:libxls:1.4.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/evanmiller/libxls/issues/35
https://security.gentoo.org/glsa/202003-64
https://github.com/evanmiller/libxls/issues/35
https://security.gentoo.org/glsa/202003-64